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Writer Fuel: Geologically Speaking, Mars Isn’t As Dead As We Thought

Olympus Mons, Mars - Deposit Photos

For decades, astronomers assumed that Mars was geodynamically dead — a planet without rumbling earthquakes and erupting volcanoes. Though remnants of towering volcanoes exist on the surface of the Red Planet today, these colossal structures have been dormant for millions of years. With little to no heat firing the planet’s engine, scientists reasoned, Mars became dormant long ago.

However, over the last five years, this assumption has been proven wrong. NASA’s InSight mission has detected quakes and even evidence of recent volcanism around one Martian region, known as Elysium Planitia. And now, they think they know why this activity is occuring.

In a paper published in the journal Nature Astronomy (opens in new tab) Dec. 5, scientists describe what appears to be the first active mantle plume discovered on the Martian surface. Study co-author Jeff Andrews-Hanna (opens in new tab), a planetary geologist at the University of Arizona, called the finding a “very big surprise.”

“Writer Fuel” is a series of cool real-world stories that might inspire your little writer heart. Check out our Writer Fuel page on the LimFic blog for more inspiration.

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