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

Cecilia Scorza, EU-UNAWE Germany

Planets Everywhere!

Over the past 16 years, astronomers have found more than 700 planets outside of our Solar System. We call these distant worlds ‘exo-planets’. 

Astronomers have different ways that they can search for exo-planets. For example, they can observe how a star dims when a planet passes in front of it. Another method is to look at how a star wobbles because of the pull of a planet’s gravity. 

Credit:

ESO/M. Kornmesser 

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