Hubble's Law Flashcards
1
Q
What is Hubble’s Law?
A
All objects observed in deep space are found to have a Doppler Shift at a relative velocity away from Earth.
2
Q
What is the movement of objects solely by Hubble’s Law called?
A
Hubble flow.
3
Q
What is the rate of expansion of these deep-space objects called?
A
The Hubble Constant.
4
Q
What is a Megaparsec?
A
A distance of one million parsecs.
5
Q
How long is a Parsec?
A
About 2.36 light-years.