The conversation between human and AI assistant.
We all knows that universe is expanding. Suppose that there are two different galaxies travelling in the opposite direction from each other at the speed of light. Can one will be able to see the other one ever?
I have a question about the universe. We all know that universe is expanding. Suppose that there are two different galaxies travelling in the opposite direction from each other at the speed of light. Can one will be able to see the other one ever?
According to the laws of physics, if two galaxies are traveling in opposite directions at the speed of light, they would never be able to see each other. Because to see another galaxy, light has to travel from one galaxy to another, and if two galaxies are already moving away from each other at the speed of light, light will never catch up with them.