Gravitation, Multi-Dimensions, Tiny Black Holes

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Among the four fundamental forces in the universe, gravity is perhaps...

White Dwarfs and the Largest Structure in the Universe

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When stars run out of fusion fuel, they…

Using Stars as Spacecraft

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Rather than building spacecraft to travel through interstellar space…

The Hercules A Galaxy and the Tycho Supernova Remnant

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In this picture, Hercules A (Original name…) is an elliptical galaxy.

Asteroids Can Be Used for Colonization or Transfer Operations

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Russian scientists are conducting space research and exploration of asteroids…

Astronomy Picture of the Day 25.11.2013

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The NGC 4921 galaxy is 320 million light-years away from us…