Question

1. Astronomers' ever-expanding knowlage of the universe has coinsided with the development of _____, a collection of indirect distance measurment techniques.
a. the cosmic distance scale
b. the cosmic microwave background
c. light echo distance
d. differential galactic rotation

Answer 1

The best and most correct answer among the choices provided by your question is the first choice or letter A.


 Astronomers' ever-expanding knowledge of the universe has coincided with the development of the cosmic distance scale, a collection of indirect distance measurement.


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Answer 2

1. A

2. B

3. A

4. C

5. A

6. A

7. A

8. A

9. B

10. D

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