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

Exotic Star System is the Youngest Ever Found!

This picture shows Circinus X-1, the youngest X-ray binary ever found! It is less than 4,600 years old!

Credit:

NASA/CXC/Univ. of Wisconsin-Madison/S.Heinz et a/CSIRO/ATNF/ATCA

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