If galaxy A is four times more distant than galaxy B, then according to the Hubble law, galaxy A will recede ___________ than galaxy B.
a. 16 times faster
b. 4 times faster
c. 2 times faster
d. 1.2 times faster
e. 0.25 times faster
Question 2
What is the difference between a supernova and a nova?
What will be an ideal response?