Suppose we look at two distant galaxies: Galaxy 1 is twice as far away as Galaxy 2. In this case, A. Galaxy 1 must be twice as big as Galaxy 2. B. we are seeing Galaxy 1 as it looked at an earlier time in the history of the universe than Galaxy 2. C. we are seeing Galaxy 1 as it looked at a later time in the history of the universe than Galaxy 2. D. Galaxy 2 must be twice as old as Galaxy 1.
Suppose we look at two distant galaxies: Galaxy 1 is twice as far away as Galaxy 2. In this case, A. Galaxy 1 must be twice as big as Galaxy 2. B. we are seeing Galaxy 1 as it looked at an earlier time in the history of the universe than Galaxy 2. C. we are seeing Galaxy 1 as it looked at a later time in the history of the universe than Galaxy 2. D. Galaxy 2 must be twice as old as Galaxy 1.
Stars and Galaxies (MindTap Course List)
10th Edition
ISBN:9781337399944
Author:Michael A. Seeds
Publisher:Michael A. Seeds
Chapter18: Modern Cosmology
Section: Chapter Questions
Problem 2SP
Related questions
Question
-
Suppose we look at two distant galaxies: Galaxy 1 is twice as far away as Galaxy 2. In this case,
A. Galaxy 1 must be twice as big as Galaxy 2.
B. we are seeing Galaxy 1 as it looked at an earlier time in the history of the universe than Galaxy 2.
C. we are seeing Galaxy 1 as it looked at a later time in the history of the universe than Galaxy 2.
D. Galaxy 2 must be twice as old as Galaxy 1.
Expert Solution
![](/static/compass_v2/shared-icons/check-mark.png)
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
![Blurred answer](/static/compass_v2/solution-images/blurred-answer.jpg)
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Recommended textbooks for you
![Stars and Galaxies (MindTap Course List)](https://www.bartleby.com/isbn_cover_images/9781337399944/9781337399944_smallCoverImage.gif)
Stars and Galaxies (MindTap Course List)
Physics
ISBN:
9781337399944
Author:
Michael A. Seeds
Publisher:
Cengage Learning
![Stars and Galaxies (MindTap Course List)](https://www.bartleby.com/isbn_cover_images/9781337399944/9781337399944_smallCoverImage.gif)
Stars and Galaxies (MindTap Course List)
Physics
ISBN:
9781337399944
Author:
Michael A. Seeds
Publisher:
Cengage Learning