The farther away a galaxy, the faster it is moving away from us.
True
False

Question

The farther away a galaxy, the faster it is moving away from us.
True	 
False

anonymous · Answer

true

anonymous · Answer

Now u have to explain why...:-)

anonymous · Answer

Hubble was able to show that there is a linear relationship between the distance to a remote galaxy and the redshift of its spectral lines (the relationship is called Hubble's Law). Redshift is a direct measure of the velocity of the galaxy away from us...

anonymous · Answer

That is experimental evidence, still doesn't explain why, though...

anonymous · Answer

why - as in why this and not that - is not the realm of physics. Physics - and all sciences - says what is.

anonymous · Answer

Ah, neither a theoretical physicist, philosopher or lender be....:-)

What's the latest, inflation, dark energy, I can't keep up.