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The Mars moons Phobos and Deimos

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a couple from me among farm owner and I'll call Mars has to be useful wasn't used both
moves are small compared with you you have some tens of
kilometres diameter and the
shape is more like a potato the surface is densely creator of both objects and they are very
dark objects major
advantage of elliptical orbit of Mars Express is that the
app lapses lies beyond these are rich off
full blast these enables observations of the far side of publicity Major is camera
was used to observe nearly globally
in no Phobos and to perform far distant Astra metric measurements of both Marshall these measurements
helped to improve these orbit models for a full was
we have derived in new shape model which helps To improve the volume has too much and from this it was
possible to assess the interior structure of Phobos further we were
able to identify the geodetic control network of full and from
perform libration measurements directly both
objects are rather dark and show no spectral signature in the visible and near infrared a rich is
similar 20 type asteroids not Priscilla could material on Mars for example and the origin of
the true once is still debated controversial different hypotheses 1
is assuming that the tool moons could be captured asteroids and the 2nd hypothesis assumes that these could be formed by
the accretion of ejected materials from the Martian surface stemming from a large impact 1 characteristic
of the surface of Phobos was will that can be followed before the entire body which and improves the origin of the
schools is still debated 1 possibility for their formation would be that these Our fractures
caused by large impacts on Phobos itself like the peak
impact Stickney which has a diameter of 10 kilometres more mourners the same size as the entire body
or alternatively that large impacts on the Mars
ejected material that was yet shaping basically surface full bypassing its
orbit of playing there would hand
observations of full was indeed was from far distance will be continued Jordan
improve your big models
and the characteristic of the Mars Express orbit guarantees that every
5 month roughly they'll curl close fly by at distances below a thousand kilometres to the surface
special was are plant
To get even closer to the surface to less than
50 kilometres which is a perfect situation could perform gravity measurements by radio signs
around these gravity measurements the camera showed be used to pin down the position lawful was in its orbit which is 1 of the major
arrow sources during the analysis of gravity field measurements Surat
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Metadaten

Formale Metadaten

Titel The Mars moons Phobos and Deimos
Autor Deutsches Zentrum für Luft- und Raumfahrt (DLR)
Mitwirkende Hoffmann, Harald
Lizenz CC-Namensnennung 3.0 Deutschland:
Sie dürfen das Werk bzw. den Inhalt zu jedem legalen Zweck nutzen, verändern und in unveränderter oder veränderter Form vervielfältigen, verbreiten und öffentlich zugänglich machen, sofern Sie den Namen des Autors/Rechteinhabers in der von ihm festgelegten Weise nennen.
DOI 10.5446/12733
Herausgeber Deutsches Zentrum für Luft- und Raumfahrt (DLR)
Erscheinungsjahr 2013
Sprache Englisch

Inhaltliche Metadaten

Fachgebiet Technik
Abstract In this interview, Harald Hoffmann, a planetary geologist at the DLR Institute of Planetary Research, reports on the current debate on the formation and future of the Martian moons Phobos and Deimos.
Schlagwörter Mars
Phobos
Deimos
geology

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