soudani walid

@spintronic31

Partager la connaissance,le savoir,la science et la technologie c'est essentielle pour notre Avenir / My Community #nasasocial #CNESTweetup #MSL .

Comparison Size Galaxy in our Cosmos / #nasasocial #CNESTweetup #Space .

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640 days ago

Comparison Size Galaxy in our Cosmos / #nasasocial #CNESTweetup #Space .

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