Recent content by Lewis123

I am having a large amount of trouble conceptualising the idea of light taking time to reach places, how we are seeing into the past when we look further out and the idea of the known universe. If someone could please elaborate on those points it would be much appreciated.

Is our known universe expanding? Hypothetically we should we be seeing a light year further every year as the light hits us from distant stars. However once we take into account the expansion of the universe, are we really seeing any further? I am confused by the while topic of light and being...

Hypothetically, what does the edge of the universe look like? Past our known visible universe to the edge of the expanding universe what is it like?

As gravitons are currently hypothetical, how might they be discovered? And if they were, what could this discovery potentially mean to the wider physics community and The Standard Model? Which major theories would in come in direct contradiction with? Also if someone could elaborate on how...

http://www.pbs.org/wgbh/nova/blogs/physics/2014/05/what-are-gravitons/ Here's a good link to a page explaining Gravitons.