Estimates that it could smack into the Moon caused great excitement, since previous planned impacts of rocket parts allowed Nasa to measure the shockwaves passing through the Moon and find out more about what lies beneath the surface.

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The most mentioned celebrity passing, of first man on the moon Neil Armstrong, was the fifteenth biggest event of any type for 2012.

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The astronauts pointed a camera to show the view out their window, the moon's gray craters and mountains passing by around 70 miles below.

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