Comment by MySisterIsHere on 06/12/2023 at 21:31 UTC

1 upvotes, 1 direct replies (showing 1)

View submission: Ask Anything Wednesday - Physics, Astronomy, Earth and Planetary Science

However small, wouldn't photons have a gravity well?

I realize light is massless, but it is not energy-less.

Replies

Comment by nivlark at 07/12/2023 at 12:37 UTC

1 upvotes, 1 direct replies

Yes. If you could somehow concentrate enough light into a small space, it's even possible to form a black hole.