Tom Gérard-Hirne (@hirnetom) Twitter Tweets • TwiCopy

@hirnetom

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ID: 822010145513345024

calendar_today19-01-2017 09:17:45

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181 Following

9 years ago

Les dessous de l’explosion spectaculaire d’une #goutte d’eau et d’alcool bit.ly/2o5YrVq c/#PMMH

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8 years ago

From how the solar system formed to facts about its planets and moons, this video covers it all on.natgeo.com/2wnEe0D

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