Scientists detect Mars-Quakes – First quake activity dectected on Mars!
A Martian seismic mystery Meanwhile, the team working on InSight’s seismometer is also keeping busy. On Dec. 16, the group
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Month: December 2019
What the heck is gravity anyway?
[I see that gravity remains a mystery. I wrote about it in Hollow Planets in 1999, and indeed, as I
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