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Phobos May Have Come from Massive Impact on Mars

http://www.sci-news.com/space/phobos-impact-mars-06445.html

by LinuxBender • 8 years ago

53 5 8 years ago

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5

CLGrimes• 8 years ago

It would make sense that Phobos, like Earth's moon, was the result of an impacting object versus a captured asteroid. I would think that captured objects, such as D-class asteroids would eventually have an orbit degrade over the course of a few millennia.

saagarjha• 8 years ago

Well, Phobos is predicted to spiral in within 50 million years or so.

remote_phone2• 8 years ago

Wouldn’t an impact that large have destabilized Mars’s orbit?

Zardoz84• 8 years ago

Earth had a bigger impact that result on the creation of the Moon, and we are here.

remote_phone2• 8 years ago

That’s never been substantiated beyond a theory. The same question would exist for that theory as well.

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