The inferences supporting the Big Bang Theory are:
Who discovered that the galaxies are drifting away from one another and that the distance between them and the speed of their separation are in direct proportion?
I am sorry to ask my question out of syllabus. My question is:
We know that the universe is expanding rapidly. Every star and planet is going away from one another faster than the speed of light! Then why it is said that our Galaxy (Milky way Galaxy) is coming nearer to our neighbour galaxy (Andromeda Galaxy) and after many years, these galaxies will collide with each other?