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334 days ago
Easy! 2x10^30 kg or 2 Quintillion or 2 Nonillion (if you’re in the US, well still kg) #STEM #wiseass #SUN :)
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Space + Travel. Will do both together sometime. @SpaceUpEU organizing team #STS115,124 & 135, #SDOisGO turned #NASAroadtrip, #NASAtweetup, #SpaceTweetup
Rotate photo
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40
334 days ago
Easy! 2x10^30 kg or 2 Quintillion or 2 Nonillion (if you’re in the US, well still kg) #STEM #wiseass #SUN :)
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