The Earthball is a fantastic tool for discussing our planet with children, combining playtime with education!

Cecilia Scorza, EU-UNAWE Germany

Reull Vallis: A Martian Riverbed

New image from the Mars Express give us an exciting glimpse into the past of the red planet, and it doesn't look much different from our own world today!

Credit:

SA/DLR/FU Berlin (G. Neukum)

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