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Solar system




If superpowers were real and a person could fly through space, and he flew a few million km away from earth (which is not very much in terms of the solar system), there's a good chance he would *never* find his way back.
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If superpowers were real and a person could fly through space, and he flew a few million km away from earth (which is not very much in terms of the solar system), there's a good chance he would *never* find his way back.


NASA engineers discover why Voyager 1 is sending a stream of gibberish from outside our solar system


ELI5: Why is finding “potentially hospitable” planets so important if we can’t even leave our own solar system?
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ELI5: Why is finding “potentially hospitable” planets so important if we can’t even leave our own solar system?

Edit: Everyone has been giving such insightful responses. I can tell this topic is a serious point of interest.


TIL Earth is the only known place in our solar system where fire occurs, and no known exoplanets have enough oxygen to allow fire to exist.
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TIL that the Moon is one of the dullest objects in the solar system, and if Neptune's moon Triton was in its place it would appear 7 times brighter


Earth moves through our solar system at 30 kilometers per second, our solar system moves through the galaxy at 220 km/s, etc
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Earth moves through our solar system at 30 kilometers per second, our solar system moves through the galaxy at 220 km/s, etc
r/memes - Earth moves through our solar system at 30 kilometers per second, our solar system moves through the galaxy at 220 km/s, etc

Our entire solar system may exist inside a giant magnetic tunnel, says astrophysicist



Earth is the only known place in our solar system where fire occurs, and no known exoplanets have enough oxygen to allow fire to exist.
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NASA engineers discover why Voyager 1 is sending a stream of gibberish from outside our solar system


TIL there is a cliff on Miranda (moon of Uranus) named Verona Rupes that is estimated to be 20km high. It is the tallest known cliff in the solar system and if you jumped off of it you would fall for about 12 minutes before hitting the ground due to the lower gravity.


TIL That If You Scaled The Solar System Down To 1 Millimeter, The Nearest Other Star Would Be About 23 Feet Away
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TIL about Planet Nine, a hypothetical Ninth Planet in our Solar System that appears to have gravitational effects on a cluster of objects past the orbit of Neptune, and is 5-10x bigger than the Earth

A six-planet solar system in perfect synchrony has been found in the Milky Way
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