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Philae Landing on Comet 67P/Churyumov Gerasimenko, planned chirality measurements and ideas for the future

Ulamec, Stephan and Meierheinrich, U. J. and Goesmann, F. (2018) Philae Landing on Comet 67P/Churyumov Gerasimenko, planned chirality measurements and ideas for the future. First European Asymmetry Symposium, 15. - 16. März 2018, Nice, France.

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Philae is a comet Lander, part of the ESA Rosetta Mission to comet 67P/Churyumov-Gerasimenko. After a ten year cruise through the solar system it successfully landed on the nucleus of the comet on November 12th, 2014. Philae´s payload consists of ten scientific instruments [1], including COSAC, an evolved gas analyser with the capability to differentiate chiral molecules [2,3]. After the touchdown of Philae, the anchoring harpoons, which were expected to fix the lander to ground, did not work, Philae bounced in the low gravity environment, and only came to rest after a 2 hours “hop” in an unforeseen area on the comet surface [4]. Although, the scientific instruments, including cameras, mass spectrometers (including the one of COSAC [5]), a magnetometer and a radar instrument could be operated, and fascinating, unprecedented scientific results have been obtained, it was not possible to collect a sample of the surface material and no gas chromatography measurement could be performed. Thus, the measurement of the chirality of molecules on comets, is still to be done in the future. The paper will describe the Philae mission and the attempts to measure chiral molecules with COSAC, but also suggest future measurements with returned samples from the primitive asteroids (162173)Ryugu and (101955)Bennu with the spacecraft Hayabusa 2 (JAXA) and OSIRIS-REx (NASA), respectively. Both will reach their targets in 2018. Rosetta is an ESA mission with contributions from its member states and NASA. Rosetta's Philae Lander is provided by a consortium led by DLR, MPS, CNES and ASI with additional contributions from Hungary, UK, Finland, Ireland and Austria.

Item URL in elib:https://elib.dlr.de/119572/
Document Type:Conference or Workshop Item (Speech)
Title:Philae Landing on Comet 67P/Churyumov Gerasimenko, planned chirality measurements and ideas for the future
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Ulamec, StephanStephan.Ulamec (at) dlr.deUNSPECIFIED
Meierheinrich, U. J.Université Nice Sophia Antipolis,UNSPECIFIED
Goesmann, F.Max-Planck-Institute for Solar System Research, GöttingenUNSPECIFIED
Date:15 March 2018
Refereed publication:No
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:Philae Landing, Comet 67P
Event Title:First European Asymmetry Symposium
Event Location:Nice, France
Event Type:international Conference
Event Dates:15. - 16. März 2018
Organizer:Université Nice
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Science and Exploration
DLR - Research area:Raumfahrt
DLR - Program:R EW - Erforschung des Weltraums
DLR - Research theme (Project):R - Projekt ROSETTA Lander
Location: Köln-Porz
Institutes and Institutions:Space Operations and Astronaut Training > User center for space experiments (MUSC)
Deposited By: Herrmann, Astrid
Deposited On:06 Apr 2018 10:35
Last Modified:06 Apr 2018 10:35

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