Posted on Dec 6, 2017

Discovery Documentary | The oldest planet in the universe | National Geographic The Universe 2017...

LTC Greg Henning

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Outstanding series of videos covering various topics of the universe.

Posted in these groups: Science logo

The milky way galaxy

Posted 7 y ago

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SGT David A. 'Cowboy' Groth

Posted 7 y ago

Thank you sir for the great video.

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