Author Question: The rapid fluctuations of quasars show that the energy emitting portions of these objects must be ... (Read 66 times)

biggirl4568 · **on:** Jul 27, 2018

The rapid fluctuations of quasars show that the energy emitting portions of these objects must be very small.

a. True
b. False
Indicate whether the statement is true or false

Question 2

A(n) ___________________ _ supernova is caused by the collapse of a massive star that has lost its outer envelope of hydrogen.

Fill in the blank(s) with correct word