Tuesday, 8 March 2016

1.36 understand that:  the universe is a large collection of billions of galaxies  a galaxy is a large collection of billions of stars  our solar system is in the Milky Way galaxy


  1. - The universe contains many galaxies
    - Each galaxy contains many stars
    - Each star has its own solar system
    - Our solar system is in a galaxy called the Milky Way
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