Loathsome_Dog
Loathsome_Dog t1_iwqgo3a wrote
Reply to comment by nem0near in is Artemis 1 going to the moon? by sci3ntisa132
Is it... a.. test?
Loathsome_Dog t1_iwp8z3w wrote
Reply to can anyone explain to me how time would work if your going the speed of light or increasingly getting there? by rooskie72
If you travelled at the speed of light, your relative time reduces to zero; this means, whatever the distance you travel, the journey is instantaneous. Firsty, Its impossible to travel that fast because your mass increases all the way to infinity at the speed of light. Light itself (photon) is massless so it can do this. From a very early age, Einstein thought about what would it be like to travel on the back of a photon, and this is what he eventually discovered. A photon of light travelling from a star 100,000 light years away takes 100,000 years to hit your eye, from your perspective. But from the photons perspective, the journey was instantaneous.
Loathsome_Dog t1_ix7jz2d wrote
Reply to comment by iwoodificood in Someone tell me how the Big Bang began 13 billion years ago, yet the *observable* universe is 83 billion light years apart? by novacks0001
Yes for evidence of this you only need to look at the cosmic background poofings