From:Cosmology • 2 years ago

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From:Cosmology • 1 year ago

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This is how cool Aurora Borealis looks from earth‘s orbit! #auroraborealis #earthorbit #cosmology

From:Cosmology • 1 year ago

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A Black Hole Theory! Now, everyone is used to think that black holes are something like a "portal" or more known as "worm hole& ... view more