Multiple Choice
In 2014 A.D., an inhabitant of a planet orbiting a distant star observes the flash of the first nuclear explosion on Earth, which occurred in July 1945. Approximately how far away is his solar system from Earth?
A) 219 pc
B) 21.2 pc
C) about 0.07 pc
D) 2.06 pc
Correct Answer:
Verified
Correct Answer:
Verified
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