Ceres Geology |
Ceres Geology |
Jan 22 2014, 06:14 PM
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Rover Driver Group: Members Posts: 1015 Joined: 4-March 04 Member No.: 47 |
Paper out tomorrow: http://www.bbc.co.uk/news/science-environment-25849871
Very exciting that we will visit this world soon! |
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Jan 25 2014, 12:32 PM
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Junior Member Group: Members Posts: 30 Joined: 3-October 07 From: Fátima - Portugal Member No.: 3927 |
... and the diagram of the paper suggest it only happens when Ceres is in certain parts of its orbit. As the Ceres orbit has an eccentricity of 0,080 and an orbital period of 4,6 years, is it possible that Dawn spacecraft will be able to stay in Ceres orbit until its perihelion and so, to tentatively observe the surface spots from where this water vapour is originated? |
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Jan 25 2014, 01:47 PM
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#3
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Member Group: Members Posts: 159 Joined: 4-March 06 Member No.: 694 |
According to the Wikipedia page, Ceres has an axial tilt of about 3 degrees, similar to Jupiter and Venus.
-------------------- I call heaven and earth to witness against you this day, that I have set before thee life and death, the blessing and the curse; therefore choose life, that thou mayest live, thou and thy seed.
- Opening line from episode 13 of "Cosmos" |
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