planetarysurface
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Martian Core Revealed by Deep-Travelling Seismic Waves From Planet’s Far Side
Scientists have detected sound waves moving through Mars’ core for the first time, offering new clues to the composition of the fourth planet from the Sun.
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The Water-Lakes-on-Mars Debate Just Got More Interesting
Scientists have been arguing for years about ambiguous radar scans of Mars’ south pole. Do they reveal underground lakes of liquid water? Or something else? Two new papers out this week have added even more intrigue to the controversy.