Astronomy Cast Ep. 384: Escaping Probes

The gravity of the Earth is a tough thing to escape, but breaking free from the gravity of the Sun is on a whole other level. But humans have achieved this amazing accomplishment, and right now there are several spacecraft leaving the Solar System and never coming back.

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Read the rest of Astronomy Cast Ep. 384: Escaping Probes (46 words)


© Fraser for Universe Today, 2015. |
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