• Question: what would happen if a black hole collided with a star the size of the sun

    Asked by TheTwoJames' to Steve, Bose on 17 Mar 2016.
    • Photo: Benjamin Bose

      Benjamin Bose answered on 17 Mar 2016:

      If a black hole collided with a star it would gobble it up quite literally. The black hole would suck up all the mass of the Sun and get bigger and bigger until there was just a larger black hole left 🙂

    • Photo: Steve Marsden

      Steve Marsden answered on 17 Mar 2016:

      If the collision wasn’t quite head on, then the sun would start to orbit the black hole. The outer layer of the sun would then be siphoned off, forming a bridge between the star and the black hole. Slowly, the star would loose mass until finally it goes out.

      The debris from the star would circle the black hole, with some being thrown out at immense speeds.

      In fact, here’s an animation that NASA released a few months ago: http://www.nasa.gov/mission_pages/swift/bursts/devoured-star.html