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A giant volcano spanning 280 miles and taller than Mt. Everest was discovered on Mars
Our understanding of Mars has come a long way since the Viking missions touched down in the 1970s. Since then, more than 18 ...
Harvard Art Museums17h
1.1965.2733: Tetradrachm of Ptolemy I as Satrap, Alexandria
On the side of the coin on the left is the head of a man facing right, wearing the skin from an elephant's head, trunk turned up and tusks protruding out, small dots surround the border. The other ...