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von Moos R, Thaler J, Kröning H, Zahn M, Scholten F, Pederiva S, Anchisi S, Bohanes P, Grünberger B, Windemuth-Kieselbach C, Piringer G, Hofheinz R. PD-3 Impact of RAS status, prior targeted therapy, age, and gender on the activity of aflibercept plus FOLFIRI in patients with metastatic colorectal cancer: Real-world data from the QoLiTrap study. Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.05.021] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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2
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Jaumann R, Schmitz N, Ho TM, Schröder SE, Otto KA, Stephan K, Elgner S, Krohn K, Preusker F, Scholten F, Biele J, Ulamec S, Krause C, Sugita S, Matz KD, Roatsch T, Parekh R, Mottola S, Grott M, Michel P, Trauthan F, Koncz A, Michaelis H, Lange C, Grundmann JT, Maibaum M, Sasaki K, Wolff F, Reill J, Moussi-Soffys A, Lorda L, Neumann W, Vincent JB, Wagner R, Bibring JP, Kameda S, Yano H, Watanabe S, Yoshikawa M, Tsuda Y, Okada T, Yoshimitsu T, Mimasu Y, Saiki T, Yabuta H, Rauer H, Honda R, Morota T, Yokota Y, Kouyama T. Images from the surface of asteroid Ryugu show rocks similar to carbonaceous chondrite meteorites. Science 2020; 365:817-820. [PMID: 31439797 DOI: 10.1126/science.aaw8627] [Citation(s) in RCA: 80] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Accepted: 07/23/2019] [Indexed: 11/02/2022]
Abstract
The near-Earth asteroid (162173) Ryugu is a 900-m-diameter dark object expected to contain primordial material from the solar nebula. The Mobile Asteroid Surface Scout (MASCOT) landed on Ryugu's surface on 3 October 2018. We present images from the MASCOT camera (MASCam) taken during the descent and while on the surface. The surface is covered by decimeter- to meter-sized rocks, with no deposits of fine-grained material. Rocks appear either bright, with smooth faces and sharp edges, or dark, with a cauliflower-like, crumbly surface. Close-up images of a rock of the latter type reveal a dark matrix with small, bright, spectrally different inclusions, implying that it did not experience extensive aqueous alteration. The inclusions appear similar to those in carbonaceous chondrite meteorites.
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Affiliation(s)
- R Jaumann
- German Aerospace Center (DLR), Institute of Planetary Research, Berlin, Germany. .,Free University of Berlin, Institute of Geosciences, Berlin, Germany
| | - N Schmitz
- German Aerospace Center (DLR), Institute of Planetary Research, Berlin, Germany
| | - T-M Ho
- DLR, Institute of Space Systems, Bremen, Germany
| | - S E Schröder
- German Aerospace Center (DLR), Institute of Planetary Research, Berlin, Germany
| | - K A Otto
- German Aerospace Center (DLR), Institute of Planetary Research, Berlin, Germany
| | - K Stephan
- German Aerospace Center (DLR), Institute of Planetary Research, Berlin, Germany
| | - S Elgner
- German Aerospace Center (DLR), Institute of Planetary Research, Berlin, Germany
| | - K Krohn
- German Aerospace Center (DLR), Institute of Planetary Research, Berlin, Germany
| | - F Preusker
- German Aerospace Center (DLR), Institute of Planetary Research, Berlin, Germany
| | - F Scholten
- German Aerospace Center (DLR), Institute of Planetary Research, Berlin, Germany
| | - J Biele
- DLR, Microgravity User Support Center, Linder Höhe, Cologne, Germany
| | - S Ulamec
- DLR, Microgravity User Support Center, Linder Höhe, Cologne, Germany
| | - C Krause
- DLR, Microgravity User Support Center, Linder Höhe, Cologne, Germany
| | - S Sugita
- Department of Earth and Planetary Science, School of Science, University of Tokyo, Tokyo 113-0033, Japan
| | - K-D Matz
- German Aerospace Center (DLR), Institute of Planetary Research, Berlin, Germany
| | - T Roatsch
- German Aerospace Center (DLR), Institute of Planetary Research, Berlin, Germany
| | - R Parekh
- German Aerospace Center (DLR), Institute of Planetary Research, Berlin, Germany.,Free University of Berlin, Institute of Geosciences, Berlin, Germany
| | - S Mottola
- German Aerospace Center (DLR), Institute of Planetary Research, Berlin, Germany
| | - M Grott
- German Aerospace Center (DLR), Institute of Planetary Research, Berlin, Germany
| | - P Michel
- Université Côte d'Azur, Observatoire de la Côte d'Azur, Centre National de la Recherche Scientifique, Laboratoire Lagrange, Nice, France
| | - F Trauthan
- German Aerospace Center (DLR), Institute of Planetary Research, Berlin, Germany
| | - A Koncz
- German Aerospace Center (DLR), Institute of Planetary Research, Berlin, Germany
| | - H Michaelis
- German Aerospace Center (DLR), Institute of Planetary Research, Berlin, Germany
| | - C Lange
- DLR, Institute of Space Systems, Bremen, Germany
| | | | - M Maibaum
- DLR, Microgravity User Support Center, Linder Höhe, Cologne, Germany
| | - K Sasaki
- DLR, Institute of Space Systems, Bremen, Germany
| | - F Wolff
- DLR, Institute of System Dynamics and Control, Oberpfaffenhofen, Germany
| | - J Reill
- DLR, Institute of Robotics and Mechatronics, Oberpfaffenhofen, Germany
| | - A Moussi-Soffys
- Centre National d'Études Spatiales, 18 Avenue E. Belin, Toulouse 31401, France
| | - L Lorda
- Centre National d'Études Spatiales, 18 Avenue E. Belin, Toulouse 31401, France
| | - W Neumann
- German Aerospace Center (DLR), Institute of Planetary Research, Berlin, Germany
| | - J-B Vincent
- German Aerospace Center (DLR), Institute of Planetary Research, Berlin, Germany
| | - R Wagner
- German Aerospace Center (DLR), Institute of Planetary Research, Berlin, Germany
| | - J-P Bibring
- L'Université de Paris Sud-Orsay, Institut d'Astrophysique Spatiale, Orsay, France
| | - S Kameda
- Department of Physics, Rikkyo University, 3-34-1 Nishi-Ikebukuro, Toshima, Tokyo 171-8501, Japan
| | - H Yano
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency, Sagamihara, Japan
| | - S Watanabe
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency, Sagamihara, Japan.,Department of Earth and Planetary Sciences, Nagoya University Furo-cho Chikusa-ku, Nagoya, Japan
| | - M Yoshikawa
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency, Sagamihara, Japan
| | - Y Tsuda
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency, Sagamihara, Japan
| | - T Okada
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency, Sagamihara, Japan
| | - T Yoshimitsu
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency, Sagamihara, Japan
| | - Y Mimasu
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency, Sagamihara, Japan
| | - T Saiki
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency, Sagamihara, Japan
| | - H Yabuta
- Department of Earth and Planetary Systems Science, Hiroshima University, Hiroshima, Japan
| | - H Rauer
- German Aerospace Center (DLR), Institute of Planetary Research, Berlin, Germany.,Free University of Berlin, Institute of Geosciences, Berlin, Germany
| | - R Honda
- Kochi University, Department of Information Science, Akebono, Kochi, Japan
| | - T Morota
- University of Tokyo, Department of Earth and Planetary Science, Hongo, Bunkyo, Tokyo, Japan
| | - Y Yokota
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency, Sagamihara, Japan
| | - T Kouyama
- National Institute of Advanced Industrial Science and Technology, Aomi, Koto, Tokyo, Japan
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3
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von Moos R, Scholten F, Derigs HG, Grünberger B, Thaler J, Hofheinz R. Quality of life (QoL) in patients with aflibercept (AFL) and FOLFIRI for metastatic colorectal cancer (mCRC): Interim analysis with focus on mutational status of the non-interventional study QoLiTrap (AIO-LQ-0113). Ann Oncol 2019. [DOI: 10.1093/annonc/mdz246.072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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4
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Hofheinz R, Scholten F, Derigs H, Thaler J, von Moos R. Quality of life in patients treated with aflibercept and FOLFIRI for metastatic colorectal cancer: interim analysis with focus on therapy lines of the non-interventional study QoLiTrap (AIO-LQ-0113). Ann Oncol 2019. [DOI: 10.1093/annonc/mdz156.025] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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5
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Zahn M, Scholten F, von Moos R, Thaler J, Hofheinz R. Quality-of-life in patients with metastatic colorectal cancer (mCRC) treated with aflibercept and FOLFIRI: Interim results of the non-interventional AIO study QoLiTrap. Ann Oncol 2018. [DOI: 10.1093/annonc/mdy151.259] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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6
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von Moos R, Derigs G, Scholten F, Thaler J, Losem C, Kroening H, Windemuth-Kieselbach C, Hofheinz R. Quality-of-life in patients with metastatic colorectal cancer (mCRC) treated with aflibercept and FOLFIRI – Interim results of the non-interventional AIO study QoLiTrap. Ann Oncol 2017. [DOI: 10.1093/annonc/mdx393.120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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7
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El-Maarry MR, Groussin O, Thomas N, Pajola M, Auger AT, Davidsson B, Hu X, Hviid SF, Knollenberg J, Güttler C, Tubiana C, Fornasier S, Feller C, Hasselmann P, Vincent JB, Sierks H, Barbieri C, Lamy P, Rodrigo R, Koschny D, Keller HU, Rickman H, A’Hearn MF, Barucci MA, Bertaux JL, Bertini I, Besse S, Bodewits D, Cremonese G, Da Deppo V, Debei S, De Cecco M, Deller J, Deshapriya JDP, Fulle M, Gutierrez PJ, Hofmann M, Ip WH, Jorda L, Kovacs G, Kramm JR, Kührt E, Küppers M, Lara LM, Lazzarin M, Lin ZY, Lopez Moreno JJ, Marchi S, Marzari F, Mottola S, Naletto G, Oklay N, Pommerol A, Preusker F, Scholten F, Shi X. Surface changes on comet 67P/Churyumov-Gerasimenko suggest a more active past. Science 2017; 355:1392-1395. [DOI: 10.1126/science.aak9384] [Citation(s) in RCA: 53] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2016] [Accepted: 03/06/2017] [Indexed: 11/02/2022]
Affiliation(s)
- M. Ramy El-Maarry
- Physikalisches Institut, Universität Bern, 3012 Bern, Switzerland
- Laboratory for Atmospheric and Space Physics, University of Colorado, Boulder, CO 80301, USA
| | - O. Groussin
- Aix Marseille Université, CNRS, Laboratoire d’Astrophysique de Marseille, UMR 7326, 13388 Marseille, France
| | - N. Thomas
- Physikalisches Institut, Universität Bern, 3012 Bern, Switzerland
| | - M. Pajola
- NASA Ames Research Center, Moffett Field, CA 94035, USA
| | - A.-T. Auger
- Aix Marseille Université, CNRS, Laboratoire d’Astrophysique de Marseille, UMR 7326, 13388 Marseille, France
| | - B. Davidsson
- Jet Propulsion Laboratory, Pasadena, CA 91109, USA
| | - X. Hu
- Max-Planck-Institut für Sonnensystemforschung, 37077 Göttingen, Germany
| | - S. F. Hviid
- Deutsches Zentrum für Luft- und Raumfahrt (DLR), Institut für Planetenforschung, 12489 Berlin, Germany
| | - J. Knollenberg
- Deutsches Zentrum für Luft- und Raumfahrt (DLR), Institut für Planetenforschung, 12489 Berlin, Germany
| | - C. Güttler
- Max-Planck-Institut für Sonnensystemforschung, 37077 Göttingen, Germany
| | - C. Tubiana
- Max-Planck-Institut für Sonnensystemforschung, 37077 Göttingen, Germany
| | - S. Fornasier
- LESIA, Observatoire de Paris, PSL Research University, CNRS, Université Paris Diderot, Sorbonne Paris Cité, UPMC Université Paris 06, Sorbonne Universités, Meudon Principal Cedex 92195, France
| | - C. Feller
- LESIA, Observatoire de Paris, PSL Research University, CNRS, Université Paris Diderot, Sorbonne Paris Cité, UPMC Université Paris 06, Sorbonne Universités, Meudon Principal Cedex 92195, France
| | - P. Hasselmann
- LESIA, Observatoire de Paris, PSL Research University, CNRS, Université Paris Diderot, Sorbonne Paris Cité, UPMC Université Paris 06, Sorbonne Universités, Meudon Principal Cedex 92195, France
| | - J.-B. Vincent
- Deutsches Zentrum für Luft- und Raumfahrt (DLR), Institut für Planetenforschung, 12489 Berlin, Germany
| | - H. Sierks
- Max-Planck-Institut für Sonnensystemforschung, 37077 Göttingen, Germany
| | - C. Barbieri
- Department of Physics and Astronomy, University of Padova, 35122 Padova, Italy
| | - P. Lamy
- Laboratoire d’Astrophysique de Marseille, UMR 7326 CNRS & Université Aix-Marseille, 13388 Marseille Cedex 13, France
| | - R. Rodrigo
- Centro de Astrobiología, Instituto Nacional de Técnica Aeroespacial, 28850 Torrejón de Ardoz, Madrid, Spain
- International Space Science Institute, 3012 Bern, Switzerland
| | - D. Koschny
- Operations Department, European Space Astronomy Centre/ESA, P.O. Box 78, 28691 Villanueva de la Cañada, Madrid, Spain
| | - H. U. Keller
- Deutsches Zentrum für Luft- und Raumfahrt (DLR), Institut für Planetenforschung, 12489 Berlin, Germany
- Institut für Geophysik und Extraterrestrische Physik, Technische Universität Braunschweig, 38106 Braunschweig, Germany
| | - H. Rickman
- Department of Physics and Astronomy, Uppsala University, Box 516, 75120 Uppsala, Sweden
- Polish Academy of Sciences, Space Research Center, 00716 Warsaw, Poland
| | - M. F. A’Hearn
- Department of Astronomy, University of Maryland, College Park, MD 20742, USA
| | - M. A. Barucci
- LESIA, Observatoire de Paris, PSL Research University, CNRS, Université Paris Diderot, Sorbonne Paris Cité, UPMC Université Paris 06, Sorbonne Universités, Meudon Principal Cedex 92195, France
| | - J.-L. Bertaux
- Laboratoire Atmosphères, Milieux, Observations Spatiales (LATMOS), CNRS–Université de Versailles Saint-Quentin-en-Yvelines–Institut Pierre Simon Laplace, 78280 Guyancourt, France
| | - I. Bertini
- Department of Physics and Astronomy, University of Padova, 35122 Padova, Italy
| | - S. Besse
- Operations Department, European Space Astronomy Centre/ESA, P.O. Box 78, 28691 Villanueva de la Cañada, Madrid, Spain
| | - D. Bodewits
- Department of Astronomy, University of Maryland, College Park, MD 20742, USA
| | - G. Cremonese
- Istituto Nazionale di Astrofisica, Osservatorio Astronomico di Padova, 35122 Padova, Italy
| | - V. Da Deppo
- Consiglio Nazionale delle Ricerche–Istituto di Fotonica e Nanotecnologie, Unità Organizzativa di Supporto, Padova Luxor, 35131 Padova, Italy
| | - S. Debei
- Department of Industrial Engineering, University of Padova, 35131 Padova, Italy
| | | | - J. Deller
- Max-Planck-Institut für Sonnensystemforschung, 37077 Göttingen, Germany
| | - J. D. P. Deshapriya
- LESIA, Observatoire de Paris, PSL Research University, CNRS, Université Paris Diderot, Sorbonne Paris Cité, UPMC Université Paris 06, Sorbonne Universités, Meudon Principal Cedex 92195, France
| | - M. Fulle
- INAF, Osservatorio Astronomico di Trieste, 34014 Trieste, Italy
| | - P. J. Gutierrez
- Instituto de Astrofísica de Andalucía (CSIC), c/ Glorieta de la Astronomía s/n, 18008 Granada, Spain
| | - M. Hofmann
- Max-Planck-Institut für Sonnensystemforschung, 37077 Göttingen, Germany
| | - W.-H. Ip
- Graduate Institute of Astronomy, National Central University, Chung-Li 32054, Taiwan
| | - L. Jorda
- Aix Marseille Université, CNRS, Laboratoire d’Astrophysique de Marseille, UMR 7326, 13388 Marseille, France
| | - G. Kovacs
- Max-Planck-Institut für Sonnensystemforschung, 37077 Göttingen, Germany
| | - J.-R. Kramm
- Max-Planck-Institut für Sonnensystemforschung, 37077 Göttingen, Germany
| | - E. Kührt
- Deutsches Zentrum für Luft- und Raumfahrt (DLR), Institut für Planetenforschung, 12489 Berlin, Germany
| | - M. Küppers
- Operations Department, European Space Astronomy Centre/ESA, P.O. Box 78, 28691 Villanueva de la Cañada, Madrid, Spain
| | - L. M. Lara
- Instituto de Astrofísica de Andalucía (CSIC), c/ Glorieta de la Astronomía s/n, 18008 Granada, Spain
| | - M. Lazzarin
- Department of Physics and Astronomy, University of Padova, 35122 Padova, Italy
| | - Z.-Yi Lin
- Graduate Institute of Astronomy, National Central University, Chung-Li 32054, Taiwan
| | - J. J. Lopez Moreno
- Instituto de Astrofísica de Andalucía (CSIC), c/ Glorieta de la Astronomía s/n, 18008 Granada, Spain
| | - S. Marchi
- Solar System Exploration Research, Virtual Institute, Southwest Research Institute, Boulder, CO 80302, USA
| | - F. Marzari
- Department of Physics and Astronomy, University of Padova, 35122 Padova, Italy
| | - S. Mottola
- Deutsches Zentrum für Luft- und Raumfahrt (DLR), Institut für Planetenforschung, 12489 Berlin, Germany
| | - G. Naletto
- Consiglio Nazionale delle Ricerche–Istituto di Fotonica e Nanotecnologie, Unità Organizzativa di Supporto, Padova Luxor, 35131 Padova, Italy
- Department of Information Engineering, University of Padova, 35131 Padova, Italy
- Centro di Ateneo di Studi ed Attivitá Spaziali “Giuseppe Colombo” (CISAS), University of Padova, 35131 Padova, Italy
| | - N. Oklay
- Deutsches Zentrum für Luft- und Raumfahrt (DLR), Institut für Planetenforschung, 12489 Berlin, Germany
| | - A. Pommerol
- Physikalisches Institut, Universität Bern, 3012 Bern, Switzerland
| | - F. Preusker
- Deutsches Zentrum für Luft- und Raumfahrt (DLR), Institut für Planetenforschung, 12489 Berlin, Germany
| | - F. Scholten
- Deutsches Zentrum für Luft- und Raumfahrt (DLR), Institut für Planetenforschung, 12489 Berlin, Germany
| | - X. Shi
- Max-Planck-Institut für Sonnensystemforschung, 37077 Göttingen, Germany
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8
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Fornasier S, Mottola S, Keller HU, Barucci MA, Davidsson B, Feller C, Deshapriya JDP, Sierks H, Barbieri C, Lamy PL, Rodrigo R, Koschny D, Rickman H, A’Hearn M, Agarwal J, Bertaux JL, Bertini I, Besse S, Cremonese G, Da Deppo V, Debei S, De Cecco M, Deller J, El-Maarry MR, Fulle M, Groussin O, Gutierrez PJ, Güttler C, Hofmann M, Hviid SF, Ip WH, Jorda L, Knollenberg J, Kovacs G, Kramm R, Kührt E, Küppers M, Lara ML, Lazzarin M, Moreno JJL, Marzari F, Massironi M, Naletto G, Oklay N, Pajola M, Pommerol A, Preusker F, Scholten F, Shi X, Thomas N, Toth I, Tubiana C, Vincent JB. Rosetta’s comet 67P/Churyumov-Gerasimenko sheds its dusty mantle to reveal its icy nature. Science 2016; 354:1566-1570. [DOI: 10.1126/science.aag2671] [Citation(s) in RCA: 79] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2016] [Accepted: 10/27/2016] [Indexed: 11/03/2022]
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9
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Pätzold M, Andert T, Hahn M, Asmar SW, Barriot JP, Bird MK, Häusler B, Peter K, Tellmann S, Grün E, Weissman PR, Sierks H, Jorda L, Gaskell R, Preusker F, Scholten F. A homogeneous nucleus for comet 67P/Churyumov-Gerasimenko from its gravity field. Nature 2016; 530:63-5. [PMID: 26842054 DOI: 10.1038/nature16535] [Citation(s) in RCA: 222] [Impact Index Per Article: 27.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2015] [Accepted: 12/10/2015] [Indexed: 11/09/2022]
Abstract
Cometary nuclei consist mostly of dust and water ice. Previous observations have found nuclei to be low-density and highly porous bodies, but have only moderately constrained the range of allowed densities because of the measurement uncertainties. Here we report the precise mass, bulk density, porosity and internal structure of the nucleus of comet 67P/Churyumov-Gerasimenko on the basis of its gravity field. The mass and gravity field are derived from measured spacecraft velocity perturbations at fly-by distances between 10 and 100 kilometres. The gravitational point mass is GM = 666.2 ± 0.2 cubic metres per second squared, giving a mass M = (9,982 ± 3) × 10(9) kilograms. Together with the current estimate of the volume of the nucleus, the average bulk density of the nucleus is 533 ± 6 kilograms per cubic metre. The nucleus appears to be a low-density, highly porous (72-74 per cent) dusty body, similar to that of comet 9P/Tempel 1. The most likely composition mix has approximately four times more dust than ice by mass and two times more dust than ice by volume. We conclude that the interior of the nucleus is homogeneous and constant in density on a global scale without large voids. The high porosity seems to be an inherent property of the nucleus material.
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Affiliation(s)
- M Pätzold
- Rheinisches Institut für Umweltforschung an der Universität zu Köln, Abteilung Planetenforschung, 50931 Köln, Germany
| | - T Andert
- Institut für Raumfahrttechnik und Weltraumnutzung, Universität der Bundeswehr München, 85577 Neubiberg, Germany
| | - M Hahn
- Rheinisches Institut für Umweltforschung an der Universität zu Köln, Abteilung Planetenforschung, 50931 Köln, Germany
| | - S W Asmar
- Jet Propulsion Laboratory, Caltech, Pasadena, California 91109, USA
| | - J-P Barriot
- Université de la Polynésie Francaise, Faaa, Tahiti
| | - M K Bird
- Rheinisches Institut für Umweltforschung an der Universität zu Köln, Abteilung Planetenforschung, 50931 Köln, Germany
| | - B Häusler
- Institut für Raumfahrttechnik und Weltraumnutzung, Universität der Bundeswehr München, 85577 Neubiberg, Germany
| | - K Peter
- Rheinisches Institut für Umweltforschung an der Universität zu Köln, Abteilung Planetenforschung, 50931 Köln, Germany
| | - S Tellmann
- Rheinisches Institut für Umweltforschung an der Universität zu Köln, Abteilung Planetenforschung, 50931 Köln, Germany
| | - E Grün
- Max-Planck-Institut für Kernphysik, 69117 Heidelberg, Germany
| | - P R Weissman
- Planetary Science Institute, 1700 East Fort Lowell Suite 106, Tucson, Arizona 85719, USA
| | - H Sierks
- Max-Planck-Institut für Sonnensystemforschung, 37077 Göttingen, Germany
| | - L Jorda
- Laboratoire d'Astrophysique de Marseille, 13388 Marseille, France
| | - R Gaskell
- Planetary Science Institute, 1700 East Fort Lowell Suite 106, Tucson, Arizona 85719, USA
| | - F Preusker
- Institut für Planetenforschung, Deutsches Zentrum für Luft- und Raumfahrt (DLR) Berlin-Adlershof, 12489 Berlin, Germany
| | - F Scholten
- Institut für Planetenforschung, Deutsches Zentrum für Luft- und Raumfahrt (DLR) Berlin-Adlershof, 12489 Berlin, Germany
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10
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Mottola S, Arnold G, Grothues HG, Jaumann R, Michaelis H, Neukum G, Bibring JP, Schröder SE, Hamm M, Otto KA, Pelivan I, Proffe G, Scholten F, Tirsch D, Kreslavsky M, Remetean E, Souvannavong F, Dolives B. COMETARY SCIENCE. The structure of the regolith on 67P/Churyumov-Gerasimenko from ROLIS descent imaging. Science 2015; 349:aab0232. [PMID: 26228151 DOI: 10.1126/science.aab0232] [Citation(s) in RCA: 82] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
The structure of the upper layer of a comet is a product of its surface activity. The Rosetta Lander Imaging System (ROLIS) on board Philae acquired close-range images of the Agilkia site during its descent onto comet 67P/Churyumov-Gerasimenko. These images reveal a photometrically uniform surface covered by regolith composed of debris and blocks ranging in size from centimeters to 5 meters. At the highest resolution of 1 centimeter per pixel, the surface appears granular, with no apparent deposits of unresolved sand-sized particles. The thickness of the regolith varies across the imaged field from 0 to 1 to 2 meters. The presence of aeolian-like features resembling wind tails hints at regolith mobilization and erosion processes. Modeling suggests that abrasion driven by airfall-induced particle "splashing" is responsible for the observed formations.
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Affiliation(s)
- S Mottola
- German Aerospace Center (DLR), Institute of Planetary Research, Berlin, Germany.
| | - G Arnold
- German Aerospace Center (DLR), Institute of Planetary Research, Berlin, Germany
| | - H-G Grothues
- DLR, Space Management, Space Science. Bonn, Germany
| | - R Jaumann
- German Aerospace Center (DLR), Institute of Planetary Research, Berlin, Germany. Freie Universität Berlin, Institute of Geological Sciences, Berlin, Germany
| | - H Michaelis
- German Aerospace Center (DLR), Institute of Planetary Research, Berlin, Germany
| | - G Neukum
- Freie Universität Berlin, Institute of Geological Sciences, Berlin, Germany
| | - J-P Bibring
- Institute of Space Astrophysics, Orsay, France
| | - S E Schröder
- German Aerospace Center (DLR), Institute of Planetary Research, Berlin, Germany
| | - M Hamm
- German Aerospace Center (DLR), Institute of Planetary Research, Berlin, Germany. Humboldt University Berlin, Germany
| | - K A Otto
- German Aerospace Center (DLR), Institute of Planetary Research, Berlin, Germany
| | - I Pelivan
- German Aerospace Center (DLR), Institute of Planetary Research, Berlin, Germany
| | - G Proffe
- German Aerospace Center (DLR), Institute of Planetary Research, Berlin, Germany
| | - F Scholten
- German Aerospace Center (DLR), Institute of Planetary Research, Berlin, Germany
| | - D Tirsch
- German Aerospace Center (DLR), Institute of Planetary Research, Berlin, Germany
| | - M Kreslavsky
- Earth and Planetary Sciences, University of California, Santa Cruz, CA, USA
| | - E Remetean
- Centre National d'Études Spatiales, Toulouse, France
| | | | - B Dolives
- Magellium, Ramonville Saint-Agne, France
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11
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Jaumann R, Williams DA, Buczkowski DL, Yingst RA, Preusker F, Hiesinger H, Schmedemann N, Kneissl T, Vincent JB, Blewett DT, Buratti BJ, Carsenty U, Denevi BW, De Sanctis MC, Garry WB, Keller HU, Kersten E, Krohn K, Li JY, Marchi S, Matz KD, McCord TB, McSween HY, Mest SC, Mittlefehldt DW, Mottola S, Nathues A, Neukum G, O’Brien DP, Pieters CM, Prettyman TH, Raymond CA, Roatsch T, Russell CT, Schenk P, Schmidt BE, Scholten F, Stephan K, Sykes MV, Tricarico P, Wagner R, Zuber MT, Sierks H. Vesta’s Shape and Morphology. Science 2012; 336:687-90. [PMID: 22582254 DOI: 10.1126/science.1219122] [Citation(s) in RCA: 195] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Affiliation(s)
- R. Jaumann
- German Aerospace Center (DLR), Institute of Planetary Research, Berlin, Germany
- Freie Universität Berlin, Planetary Sciences, Germany
| | | | - D. L. Buczkowski
- Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
| | - R. A. Yingst
- Planetary Science Institute, Tucson, AZ 85719, USA
| | - F. Preusker
- German Aerospace Center (DLR), Institute of Planetary Research, Berlin, Germany
| | - H. Hiesinger
- Westfälische Wilhelms-Universität Münster, Germany
| | | | - T. Kneissl
- Freie Universität Berlin, Planetary Sciences, Germany
| | - J. B. Vincent
- Max Planck Institute for Solar System Research (MPS), Katlenburg-Lindau, Germany
| | - D. T. Blewett
- Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
| | - B. J. Buratti
- Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109, USA
| | - U. Carsenty
- German Aerospace Center (DLR), Institute of Planetary Research, Berlin, Germany
| | - B. W. Denevi
- Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
| | - M. C. De Sanctis
- Istituto di Astrofisica e Planetologia Spaziali, Istituto Nazionale di Astrofisica (INAF), Roma, Italy
| | - W. B. Garry
- Planetary Science Institute, Tucson, AZ 85719, USA
| | | | - E. Kersten
- German Aerospace Center (DLR), Institute of Planetary Research, Berlin, Germany
| | - K. Krohn
- German Aerospace Center (DLR), Institute of Planetary Research, Berlin, Germany
| | - J.-Y. Li
- University of Maryland, College Park, MD 20742, USA
| | - S. Marchi
- National Aeronautics and Space Administration (NASA) Lunar Science Institute, Boulder, CO 80309, USA
| | - K. D. Matz
- German Aerospace Center (DLR), Institute of Planetary Research, Berlin, Germany
| | | | - H. Y. McSween
- Department of Earth and Planetary Sciences, University of Tennessee, Knoxville, TN 37996, USA
| | - S. C. Mest
- Planetary Science Institute, Tucson, AZ 85719, USA
| | - D. W. Mittlefehldt
- Astromaterials Research Office, NASA Johnson Space Center, Houston, TX 77058, USA
| | - S. Mottola
- German Aerospace Center (DLR), Institute of Planetary Research, Berlin, Germany
| | - A. Nathues
- Max Planck Institute for Solar System Research (MPS), Katlenburg-Lindau, Germany
| | - G. Neukum
- Freie Universität Berlin, Planetary Sciences, Germany
| | | | - C. M. Pieters
- Brown University, Planetary Geosciences Department, Providence, RI 02912, USA
| | | | - C. A. Raymond
- Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109, USA
| | - T. Roatsch
- German Aerospace Center (DLR), Institute of Planetary Research, Berlin, Germany
| | - C. T. Russell
- Institute of Geophysics and Planetary Physics, University of California Los Angeles (UCLA), Los Angeles, CA 90095, USA
| | - P. Schenk
- Lunar and Planetary Institute, Houston, TX 77058, USA
| | - B. E. Schmidt
- Institute for Geophysics, University of Texas, Austin, TX 78712, USA
| | - F. Scholten
- German Aerospace Center (DLR), Institute of Planetary Research, Berlin, Germany
| | - K. Stephan
- German Aerospace Center (DLR), Institute of Planetary Research, Berlin, Germany
| | - M. V. Sykes
- Planetary Science Institute, Tucson, AZ 85719, USA
| | - P. Tricarico
- Planetary Science Institute, Tucson, AZ 85719, USA
| | - R. Wagner
- German Aerospace Center (DLR), Institute of Planetary Research, Berlin, Germany
| | - M. T. Zuber
- Massachusetts Institute of Technology, Cambridge, MA 02139,USA
| | - H. Sierks
- Max Planck Institute for Solar System Research (MPS), Katlenburg-Lindau, Germany
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12
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Scholten F, Oberst J, Matz KD, Roatsch T, Wählisch M, Speyerer EJ, Robinson MS. GLD100: The near-global lunar 100 m raster DTM from LROC WAC stereo image data. ACTA ACUST UNITED AC 2012. [DOI: 10.1029/2011je003926] [Citation(s) in RCA: 152] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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13
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Sierks H, Lamy P, Barbieri C, Koschny D, Rickman H, Rodrigo R, A'Hearn MF, Angrilli F, Barucci MA, Bertaux JL, Bertini I, Besse S, Carry B, Cremonese G, Da Deppo V, Davidsson B, Debei S, De Cecco M, De Leon J, Ferri F, Fornasier S, Fulle M, Hviid SF, Gaskell RW, Groussin O, Gutierrez P, Ip W, Jorda L, Kaasalainen M, Keller HU, Knollenberg J, Kramm R, Kührt E, Küppers M, Lara L, Lazzarin M, Leyrat C, Lopez Moreno JJ, Magrin S, Marchi S, Marzari F, Massironi M, Michalik H, Moissl R, Naletto G, Preusker F, Sabau L, Sabolo W, Scholten F, Snodgrass C, Thomas N, Tubiana C, Vernazza P, Vincent JB, Wenzel KP, Andert T, Pätzold M, Weiss BP. Images of asteroid 21 Lutetia: a remnant planetesimal from the early Solar System. Science 2011; 334:487-90. [PMID: 22034428 DOI: 10.1126/science.1207325] [Citation(s) in RCA: 152] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
Images obtained by the Optical, Spectroscopic, and Infrared Remote Imaging System (OSIRIS) cameras onboard the Rosetta spacecraft reveal that asteroid 21 Lutetia has a complex geology and one of the highest asteroid densities measured so far, 3.4 ± 0.3 grams per cubic centimeter. The north pole region is covered by a thick layer of regolith, which is seen to flow in major landslides associated with albedo variation. Its geologically complex surface, ancient surface age, and high density suggest that Lutetia is most likely a primordial planetesimal. This contrasts with smaller asteroids visited by previous spacecraft, which are probably shattered bodies, fragments of larger parents, or reaccumulated rubble piles.
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Affiliation(s)
- H Sierks
- Max-Planck-Institut für Sonnensystemforschung, Max-Planck-Strasse 2, 37191 Katlenburg-Lindau, Germany.
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14
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Van Langh R, Lehmann E, Hartmann S, Kaestner A, Scholten F. The study of bronze statuettes with the help of neutron-imaging techniques. Anal Bioanal Chem 2009; 395:1949-59. [PMID: 19756545 PMCID: PMC2780629 DOI: 10.1007/s00216-009-3058-4] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2009] [Revised: 08/07/2009] [Accepted: 08/11/2009] [Indexed: 11/24/2022]
Abstract
Until recently fabrication techniques of Renaissance bronzes have been studied only with the naked eye, microscopically, videoscopically and with X-radiography. These techniques provide information on production techniques, yet much important detail remains unclear. As part of an interdisciplinary study of Renaissance bronzes undertaken by the Rijksmuseum Amsterdam, neutron-imaging techniques have been applied with the aim of obtaining a better understanding of bronze workmanship during the Renaissance period. Therefore, an explanation of the fabrication techniques is given to better understand the data collected by these neutron-imaging techniques. The data was used for tomography studies, which reveal hidden aspects that could not at all or scarcely be seen using X-radiography. For this specific study, the representative bronze 'Hercules Pomarius' of Willem van Tetrode (ca 1520-1588) has been examined, along with 20 other Renaissance bronzes from the Rijksmuseum collection.
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Affiliation(s)
- R Van Langh
- Department of Materials Science, Faculty 3mE, Delft University of Technology, Mekelweg 2, 2628 CD Delft, The Netherlands.
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Ramos-Lopez E, Scholten F, Aminkeng F, Wild C, Kalhes H, Seidl C, Tonn T, Van der Auwera B, Badenhoop K. Association of KIR2DL2 polymorphism rs2756923 with type 1 diabetes and preliminary evidence for lack of inhibition through HLA-C1 ligand binding. ACTA ACUST UNITED AC 2009; 73:599-603. [DOI: 10.1111/j.1399-0039.2009.01252.x] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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16
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Scholten F, Ramos-Lopez E, Usadel KH, Badenhoop K. An exon 8 polymorphism of the KIR2DL2 gene is associated with type 1 diabetes mellitus in Germans. Exp Clin Endocrinol Diabetes 2005. [DOI: 10.1055/s-2005-862830] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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17
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van Roermund PM, ter Haar Romeny BM, Hoekstra A, Schoonderwoert GJ, Brandt CJ, van der Steen SP, Roelofs JM, Scholten F, Visser WJ, Renooij W. Bone growth and remodeling after distraction epiphysiolysis of the proximal tibia of the rabbit. Effect of electromagnetic stimulation. Clin Orthop Relat Res 1991:304-12. [PMID: 2019066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
The effect of pulsed electromagnetic stimulation on bone formation was tested in a lower-limb-lengthening model in the rabbit. Limb lengthening was performed by distraction epiphysiolysis. A specially designed external distraction device allowed 10 mm of lengthening of the tibia. Coils to generate a pulsed electromagnetic field were clipped onto the distractor. Stimulation started after a distraction period of three weeks and was continuous for 18 weeks. A control group received the same treatment without stimulation. Bone formation in the elongated zone was evaluated by computed tomography, scintigraphy, and histology. Bone healing involved accretion of callus followed by a process of remodeling, resulting in the formation of a solid cortex. The formation of a diaphysislike structure at the original site of the metaphysis progressed from the distal end of the elongated zone upward. Electromagnetic stimulation had no effect on the rate or extent of bone formation and remodeling.
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Affiliation(s)
- P M van Roermund
- Department of Orthopedic Surgery, Utrecht University Hospital, The Netherlands
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