Question

The phenomenon of cosmological redshift shows that the universe is expanding
Can someone help me with the vocab im soooo confuised. :(

Answer 1

redshift is basically the dopler effect. things moving toward you look more blue than normal. When they are moving away they cause them to look more red.

Answer 2

ohhhh okay wow i am stupid..... my teacher hates me i swear cuz i didnt know that. lol thank you

Answer 3

no problem good luck

Answer 4

Thanks :)