Multiple Choice
Which of the following statements is correct?
A) a star and the planets that orbit it make up a solar system.
B) it takes light about 10 000 years to cross our galaxy.
C) a galaxy consists of hundreds of solar systems.
D) when we look at the stars in the night sky,we are looking forward in time.
E) time and distance are not related in the universe.
Correct Answer:

Verified
Correct Answer:
Verified
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