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When the Galileo Spacecraft Reached Jupiter on December 7, 1995

Question 133

Multiple Choice

When the Galileo spacecraft reached Jupiter on December 7, 1995, Jupiter was almost at conjunction with the Sun. Given that it takes 8 1/3 minutes for light to travel a distance of 1 au, how long did it take Galileo's signals to reach Earth from Jupiter? (A diagram might help to envision this configuration.)


A) 52 minutes
B) 35 minutes
C) 60 minutes
D) 43 minutes

Correct Answer:

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