crust
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A Dozen ‘Marsquakes’ Clue Scientists In to the Red Planet’s Interior
The first direct seismic observations of Mars by NASA’s InSight Lander have been reported, giving scientists a tantalising look at the composition of the rocky world currently 236 million miles from us.
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It Looks Like We Were Wrong About A Basic Property Of Mars
When you think about what makes a planet special, maybe you think about its size, its composition, how far it is from the Sun, and maybe how large its collection of apples is. You are probably not thinking about its density. But maybe you should be.