Recent content by TheSwamper

Thank you very much Two-Fish. One follow up question if you don't mind. With Earth at the centre, how can the observable universe be greater in size than the time allowed for light to travel to us? Since, as you said, it's rate of expansion increases proportionally with distance from us...

I have to preface my questions by saying that I have only a little better than a high school understanding of physics; as such I humbly ask that any answers be termed in a way that I'll be able to understand them. I've read that the universe has a radius of ~ 46 billion light years. And we...

Thanks for the response. What is the 'surface of last scattering'? By your other comments, does this mean we can see the very first stars? My understanding is they formed around the 200 million year mark. This would obviously predate all galaxies. If humans had started looking a...

Hi. Just joined the forums. I've not taken a physics class since high school, but it is an interest of mine, so forgive me if I'm way off on some of the science. Please tell me if I have any of these facts wrong: - The universe is about 13.7 billion years old. - Our light horizon is...