Multiple Choice
The red shift refers to ___________.
A) the red light emitted by planets as they rotate on their axis
B) a visual effect related to the Doppler effect and stars moving further away
C) the tendency of redder stars to be located in the edges of the universe
D) the tendency of stars to cool and become red in color
Correct Answer:

Verified
Correct Answer:
Verified
Q8: Prior to the formation of the protostar,_
Q9: Galaxies are collections of_ .<br>A) ice<br>B) interstellar
Q10: Stars spend most of their life span
Q11: What two elements formed first?<br>A) protons and
Q12: There are three possible fates for the
Q14: Based on the observed red shifts in
Q15: Balance for a main sequence star is
Q16: Which of the following is <u><b>not</b></u> true
Q17: What is a "main sequence star"?<br>A) a
Q18: _is the study of the universe, including