Friday, 4 May 2018

Image result for red galaxy

a system of millions or billions of stars, together with gas and dust, held together by gravitational attraction.

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1 comment:

  1. Anonymous20 September 2018 at 15:29

    Kia ora William,

    Great to see your learning about a solar system. Do you know what gravitational attraction means? Try this link: https://www.khanacademy.org/computing/computer-programming/programming-natural-simulations/programming-forces/a/gravitational-attraction
    Mrs Krausse

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