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A team of researchers at ETH Zurich in Switzerland say they've figured out how thick the Martian crust is by analyzing data obtained by NASA's Mars InSight lander.
The discovery led them to an interesting conclusion: the planet's main source of heat, being produced deep in its interior, appears to be the result of radioactive elements like thorium and uranium decaying over time.
Though that might sound exotic, it actually means the interior of the Red Planet is surprisingly similar to our own Earth, which also partially relies on the heat from the decay of radioactive elements — in addition to the leftover energy from when it formed about 4.5 billion years ago — to keep its core hellishly warm.
Source: https://futurism.com
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