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

Cecilia Scorza, EU-UNAWE Germany

Cosmic map makers pack in more than 200 million stars

Using a large telescope (with a 2.5-metre mirror), astronomers have put together this extraordinarily detailed map of the northern half of our Galaxy. The map charts the position of 219 million individual stars! 

Credit:

Hywel Farnhill, University of Hertfordshire

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