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    • View of the milky way, with a tree silhouette in the middle
    Rights: Shingo Takei Published 1 April 2009 Size: 280 KB Referencing Hub media

    The heart of the Milky Way shines behind a tree in Western Australia. Our Sun is one of billions of stars in the Milky Way, which is one of billions of galaxies in the universe.

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      Space revealed – introduction

      Astronomers studying space have two big problems: A lot of things in space seem invisible – they do not give out light we can see. Scientists cannot leave the Earth to go and collect pieces of ...

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