Recent content by Ahmed Nabi

Thank you @Orodruin, @Bandersnatch and @Chalnoth for your replies. I guess I have adopted a lot of misconception at the very start on which I have to work on. This makes it pretty much clear. Thank you again

Hi everyone! I am new to cosmology and have come across this unbelieving interesting field quite recently ( after reading 'A Brief History of Time' to be honest ). This is my first post in PF. Hubble first discover that the universe is expanding with non-constant, accelerating velocity. Also...