The Earthball is a fantastic tool for discussing our planet with children, combining playtime with education!
Cecilia Scorza, EU-UNAWE Germany
Shoemaker-Levy's Smash Hit
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Can you see the dark spot on Jupiter in this picture? That is the mark created when comet Shoemaker-Levy 9 crashed into the planet in 1994. The dark spot is 6000 km across!