The Voyager I spacecraft is currently 16.5 billion km from Earth and heading out of our Solar System.How long does it take radio messages from Voyager I to reach us?
A) 1.5 days
B) 15 hours
C) 1.5 weeks
D) 15 minutes

Question

Quizplus · Accepted Answer

Radio waves travel at the speed of light, which is approximately 299,792 kilometers per second. Therefore, it would take about 15 hours for a radio message from Voyager I to reach us on Earth, as it would need to travel a distance of 16.5 billion kilometers.

The Voyager I Spacecraft Is Currently 16