Phobos has gravity!
9 Mar 2010, 15:43 UTC
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Last week Mars Express had its closest-ever flyby of Mars' larger, inner moon Phobos. They used the close encounter for radio science, to attempt to probe the inner structure of the little potato. It'll be a few weeks at least before they have any kind of reportable results on what that data tells them, but one thing that they can already report is that they have lovely data. Here's what it looks like:Click to enlarge >Phobos' Gravity Pulling on ....
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