Hubble-Lemaître law Flashcards
1
Q
What did Edwin Hubble discover?
A
further away a galaxy was the faster it was moving away from us this suggest the universe is expanding
2
Q
Hubble’s Law?
A
recessional velocity of distant galaxies is directly proportional to their distance from us
3
Q
What is one light year?
A
9.46x10^15m
4
Q
What does the law allow us to do?
A
estimate the age of the universe
