Galactic Collision Cause
Neil explains how the expanding universe contributes to the Andromeda galaxy's collision course with ours, using analogies and touching on the concept of looking back in time through the universe's expansion.In this clip
From this podcast
StarTalk Radio
StarTalk Podcast: Our Galaxy And Beyond, with Neil deGrasse Tyson
Related Questions
If the universe is x billion years old and the light we are seeing from seconds before the Big Bang is that old and traveled at the speed of light, is the universe in fact expanding faster than the speed of light?
Is the universe expanding faster than the speed of light if the universe is x billion years old and the light we are seeing from seconds before the Big Bang traveled at the speed of light, as discussed in the episode Joe Rogan Experience #610 - Brian Cox and the clip Cosmic Acceleration?