Cosmic Perspective Fundamentals
Cosmic Perspective Fundamentals
3rd Edition
ISBN: 9780134988504
Author: Bennett, Jeffrey O., Donahue, M. (megan), SCHNEIDER, Nicholas, Voit, Mark
Publisher: Pearson,
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Chapter 11, Problem 11QQ

Choose the best answer to each of the following. Explain your reasoning.

The primary source of a quasar’s energy is (a) chemical energy. (b) nuclear energy. (c) gravitational potential energy.

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Astronomy question: Answer correctly and read the questions corretly, this is all one quesiton if done correclty and organized I will write a very nice review about you! 1. How did Edwin Hubble measure the distance to the Andromeda Galaxy? He deduced it from its redshift. He measured its parallax. He used Cepheid variables in the Andromeda Galaxy. He used white dwarf supernovae in the Andromeda Galaxy.
Please help me answer part A and B
explain each physics formula by saying what each variable means/stands for and explain the formula as a whole, please.
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