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Homeby Witness Moecki
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RE: the earth gravity....

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kumillla (40)in #science • 7 years ago

yap... it is a source of NASA... i am a engineer... and i love science... i almost read this contant i love to write about earth, black hole and so on... as I am not a scientist and cant write my own contant..
by the way... thanks for reading...

7 years ago in #science by kumillla (40)
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