Author Question: Edwin Hubble and Milton Humason discovered that there was a linear relationship between a galaxy's ... (Read 85 times)

Tazate · **on:** Jul 27, 2018

Edwin Hubble and Milton Humason discovered that there was a linear relationship between a galaxy's ____.

a. rotation curve and distance
b. mass and luminosity
c. age and distance
d. apparent recession velocity and distance
e. mass and recession velocity

Question 2

Which type of focus is most common for larger telescopes?

a. Cassegrain focus
b. Galilean focus
c. Newtonian focus
d. Copernican focus
e. Schmidt-Cassegrain focus