Author Question: The Tully-Fisher relation is much like the mass-luminosity relationship, except that the galaxy's ... (Read 42 times)

luvbio · **on:** Jul 27, 2018

The Tully-Fisher relation is much like the mass-luminosity relationship, except that the galaxy's rotation is used to find its mass; the greater the mass, the faster the rotation rate.

Indicate whether the statement is true or false

Question 2

Chromatic aberration affects refractor and reflector telescopes equally, unless they have very long focal lengths.

Indicate whether the statement is true or false