Based on Figure 1 below, which galaxies are moving away from us thefastest?Velocity (km/sec)2000150010005000-5000Those that are ~ 20 Mpcs awayThose that are ~ 15 Mpcs awayThose that are ~ 10 Mpcs awayThose that are ~ 1 Mpcs away20Distance (Mpc)1030

Answered: Based on Figure 1 below, which galaxies…

Based on Figure 1 below, which galaxies are moving away from us the fastest? Velocity (km/sec) 2000 1500 1000 500 -500 TTTT 10 20 Distance (Mpc) 30

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter34: Frontiers Of Physics

Section: Chapter Questions

Problem 4PE: If a galaxy is 500 Mly away from us, how fast do we expect it to be moving and in what direction?

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Concept explainers

Special Relativity

The theory of special relativity discusses how space and time are related to objects traveling along a straight line at a constant speed. Simply stated, as an object reaches the speed of light, its mass becomes infinite and it is unable to move faster than light. This interstellar speed limit has been the topic of much debate in astronomy, and also in science fiction when people consider how to fly over large distances.

Question

Based on Figure 1 below, which galaxies are moving away from us the
fastest?
Velocity (km/sec)
2000
1500
1000
500
0
-500
0
Those that are ~ 20 Mpcs away
Those that are ~ 15 Mpcs away
Those that are ~ 10 Mpcs away
Those that are ~ 1 Mpcs away
20
Distance (Mpc)
10
30

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