Science
Why the ‘Super Weird’ Moons of Mars Fascinate Scientists – The New York Times
What’s the big deal about little Phobos and tinier Deimos?
Many theories suggest the terrestrial planets, including the Earth, formed dry, and water was delivered by icy meteorites that were scattered inward, said Dr. Usui. If the moons are captured asteroids, they are evidence of this process in action and their composition shows what materials were delivered to the early Earth.
Meteors crashing into Mars could have coated Phobos in a fine layer of Martian dust sourced from all over the planet. This matter may be both very young and extremely old, and…
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