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Cascading collisions could explain Saturn’s rings, Titan’s atmosphere, and many other Saturnian mysteries

A single scenario could explain some of the odd features of Saturn's cosmic neighborhood. A project that set out to seek the origin of the planet's rings and why Titan’s orbit is expanding may have ...
Space.com on MSN

Why don't more Tatooine-like exoplanets exist in our Milky Way galaxy? Astronomers might have an answer

Astronomers may finally understand why planets orbiting two suns, the real-world equivalents of the "Star Wars" planet ...