Science, Space

Mars Volcano Arsia Mons, Earth’s Dinosaurs Went Extinct About the Same Time

extinct volcano Arsia Mons on Mars
This digital-image mosaic of Mars’ Tharsis plateau shows the extinct volcano Arsia Mons. It was assembled from images that the Viking 1 Orbiter took during its 1976-1980 working life at Mars. Credits: NASA/JPL/USGS

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