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65 years ago today in 1958, Vanguard 1, America's second satellite and the world's 1st solar-powered satellite was launched! It confirmed that the Earth is not a perfect sphere.

Contact with Vanguard 1 was lost in 1964, but it remains the oldest satellite orbiting Earth.
#NASAhistory
in reply to NASA

This would be a cool one to bring home if we had a shuttle.
in reply to NASA

now I have to look up the shape. I’m guessing it comes out like pecan sandies when I hand roll them.
in reply to NASA

don't listen to them Earth, you're perfect to me!

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