How Far Do You Predict the Tectonic Activity of Mars?

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The general consensus right now is that Mars's tectonic activity stopped about one to two billion years after it formed. We have somewhere between say 10 and 20 billion years worth of tectonics going on in our earth before you run out of internal heat. So the tectonic plates currently move at about the rate at which your fingernails grow. That is an inch or two per year. If we go a couple inches a year and you go for 15 million years, You've never been to a black salon.

What if the laws of physics were different? Neil deGrasse Tyson and co-hosts Chuck Nice and Gary O’Reilly answer grab bag questions with astrophysicist Charles Liu about alien heists, gravity, and space exploration.

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Photo Credit: NASA, ESA, and the Hubble Heritage Team (STScI/AURA)-ESA/Hubble Collaboration, Public domain, via Wikimedia Commons

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