• Question: How can gravity keep things in orbit?

    Asked by Jeff Acer 42.0 to Claire, Liad, Ruth, Ryan, Mako on 21 Jun 2015. This question was also asked by ellisa04.
    • Photo: Ryan Cheale

      Ryan Cheale answered on 21 Jun 2015:

      Things have gravitational attraction, like really big things such as stars and planets

      Now they interact and pull on each other, so there’s a point where they are in equilibrium with one another!

      It gets complicated when you include more and more of these bodies!

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