Why do telescopes have a big radius of curvature?

If a star is 4.37 Light Years away and you travel at the speed of light it will take you 4.37 Years to get there. A light year is a measure of distance = approximately 9 trillion kilometres.

I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.