Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

B Quasars and fusion

  1. Jun 22, 2016 #1
    Could quasars be generating energy from fusion? I mean with all that material falling on it...
  2. jcsd
  3. Jun 22, 2016 #2


    User Avatar
    2016 Award

    Staff: Mentor

    Energy cannot be generated, only transformed. The density is too low to produce relevant fusion power - you always have a few atoms fusing, but that does not have any effect. The accretion disk releases much more energy than even a 100% fusion rate could do.
  4. Jun 23, 2016 #3


    User Avatar
    Gold Member

    That "it" is presumably is black hole, which has no solid surface on which matter might fuse, unlike a white dwarf or neutron star
  5. Jun 23, 2016 #4


    User Avatar
    2016 Award

    Staff: Mentor

    The sun doesn't have a solid surface either. Black holes have accretion disks (that's where the radiation comes from).
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook

Have something to add?
Draft saved Draft deleted

Similar Discussions: Quasars and fusion
  1. Quasar Redshift (Replies: 10)

  2. Quasars and Antimatter (Replies: 4)

  3. Quasar feedback (Replies: 2)

  4. Quasars and Blazars (Replies: 2)

  5. Quasar images (Replies: 6)