https://www.livescience.com/physics-mathematics/gravity/rare-einstein-cross-warps-light-from-one-of-the-universes-brightest-objects-in-this-stunning-image
0
0
37 words
0
Comments
Einstein predicted the existence of these crosses back in 1915. Now, they are used to study distant galaxies.
You are the first to view
Create an account or login to join the discussion