Space
Cassini takes last look at the ring patterns made by mini moons
These unusual patterns in Saturn's rings give us clues to what happens when planets are born, and may help us understand how our solar system formed
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These unusual patterns in Saturn's rings give us clues to what happens when planets are born, and may help us understand how our solar system formed
Astronomers looking at two stars 800 light years away say they may have found the first comets beyond our solar system