Astronomy Cast Archive
Jan 23rd: Common Misconceptions in Probability

Jan 2nd: Volcanoes on Mars

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Mars is a world of extremes. This unassuming red world is home to the largest and tallest volcanoes in the entire solar system. In fact, it’s not even a close contest, with Olympus Mons rising 22 kilometers above the surrounding plains. More than twice as tall as Mount Everest. How did Mars get such big volcanoes? And how active is the planet today

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