The Cosmic Perspective Fundamentals (2nd Edition)
The Cosmic Perspective Fundamentals (2nd Edition)
2nd Edition
ISBN: 9780133889567
Author: Jeffrey O. Bennett, Megan O. Donahue, Nicholas Schneider, Mark Voit
Publisher: PEARSON
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Chapter 14, Problem 6QQ

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

Based on current evidence, which of the following is considered the most likely candidate for the majority of dark matter in Galaxies? (a) subatomic particles that we have not yet detected in particle physics experiment (b) cluster of relativity dim,red star (c) supermassive black holes.

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For the graph shown above, a) what quantity would you label the y-axis with if the distance is between galaxies and the Earth? Explain your answer. Think through what we know is happening, motion-wise, out there in the galaxy. b) Also explain why you think there are dots and a solid line, on the graph.
Read the following questions carefully and answer the problems using GRESA.  1. Assuming that the field of view is flat, what is the resultant vector (yellow line) of an observer pointing his telescope starting at the Andromeda galaxy, then moving 62 units 27° S of W to Jupiter, then finally moving to Saturn 17 units 72° S of W. Express your magnitude to the nearest hundredths units, and the angle to the nearest hundredths °, following the standard cartesian plane coordinate system.
On this situation for science I do not understand. Under the write section is what we're supposed to be including. So down below I will show you what it is asking, and what it wants me to write 2 paragraphs about can you please help me with a deep explanation, because I need help asap because it's due at 11:59 tonight.
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