promotion image of download ymail app
Lv 6
goring asked in Science & MathematicsPhysics · 1 month ago

If everything in Universe has spinning motion what is the cause of the Spin?

2 Answers

  • 1 month ago

    It doesn't need a cause UNLESS the entire universe came from a big bang singularity point AND the total angular momentum of the universe sums to something other than zero.  It will retain any spinning motion that it had when it was created.  ( angular momentum is conserved) If that WAS zero then it should remain ( in total) zero.  If angular momentum is violated THEN we would need a cause.  OK?

    • Commenter avatarLogin to reply the answers
  • 1 month ago

    Conservation of angular momentum.  You can imagine that as gravity drew matter  together, some matter was passing along near a large enough clump that it was drawn into an orbit and the momentum was converted to angular momentum. Some of that angular momentum can couple back to the central mass causing it to start to spin.

    • Commenter avatarLogin to reply the answers
Still have questions? Get your answers by asking now.