Comet Tempel 1
COMET · the one we punched
In 2005, NASA's Deep Impact mission did something audacious: it fired a washing machine sized block of copper into this comet at over 37,000 km/h, on purpose. The flash and the cloud of debris revealed what comets are made of beneath the crust, fluffy ice and dust, more like a snowbank than a rock. Years later another spacecraft flew by and photographed the crater we made.
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