![]() ![]() And some moons are little more than captured asteroids, which may have been what happened with Mars’ two moons, for example. Venus doesn’t have any moons, and we aren’t sure why.īoth Mercury and Venus have no moons, which can be considered a surprise given there are dozens of other ones around the Solar System. ![]() Mercury is way too hot and airless for life as we know it, but it shows how these elements are distributed across the Solar System.Ģ. In fact, NASA’s MESSENGER spacecraft not only found ice at the north pole, but it also found organics, which are the building blocks for life. It is thought that perhaps comets delivered this ice to Mercury in the first place. That sounds surprising at first glance, but the ice is found in permanently shadowed craters - those that never receive any sunlight. The closest planet to the Sun does indeed have ice on its surface. ![]()
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