When a massive power outage struck southern California in the 1990s, Los Angeles residents reportedly called 911 to express alarm about strange clouds hovering overhead; they were seeing the Milky Way for the first time.
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Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
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On Titan, Saturn's largest moon, the atmosphere is so thick and the gravity so low that humans could fly through it by flapping "wings" attached to their arms.
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If NASA sent birds into space they would soon die; they need gravity to swallow.
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From the nitrogen in our DNA, to the calcium in our teeth, the iron in our blood, to the carbon in our apple pies - all were made in the interiors of collapsing stars; we're all made of stardust.
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There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
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Pluto is smaller than Russia.
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