Olympus Mons
2 stories
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worldOlympus Mons: The Solar System's Largest Volcano That Doesn't Feel Like a Mountain
Exploring the paradox of Olympus Mons on Mars, a volcano rising 22 km high with slopes so gradual an astronaut would not perceive they were climbing the tallest mountain in the solar system.
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worldMars Spins Faster, Scientists Link to Deep Volcanic Plume
New study suggests a buoyant rock plume beneath Mars' surface may explain its increasing spin rate and geological activity.