Mars is about half Earth’s size and roughly a tenth its mass — not really the sort of planet you’d expect to leave ...
At half the size of Earth and one-tenth its mass, Mars is a featherweight as far as planets go. And yet, new research reveals the extent to which Mars ...
It started with a quiver deep down in the Martian crust weak, barely detectable, yet bearing 4.5-billion-year-old echoes. Those seismic waves, recorded by NASA’s InSight lander from 2018 to 2022, have ...
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