Where Did Earth Come From?

Earth is a huge planet full of incredible sights and amazing creatures! But have you ever wondered where the Earth came from in the first place? Well, by looking at other stars and planets, scientists think they have a pretty good idea!
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SOURCES:
http://hubblesite.org/hubble_discoveries/discovering_planets_beyond/how-do-planets-form
http://www.bbc.co.uk/science/earth/earth_timeline/earth_formed

Видео Where Did Earth Come From? канала SciShow Kids