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

Cecilia Scorza, EU-UNAWE Germany

Chandra Deep Field South

This picture shows us further into the Universe than we've ever seen in X-ray light, revealing lots of very faint objects that previous images weren't able to detect. Almost three-quarters of the points of light in this picture are distant black holes, the others are galaxies. The colours tell us how energetic each object is: objects with the least energy are red and the most energetic are blue.

Credit:

NASA/CXC/Penn State/B.Luo et al.

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