If we were to detect a signal from an advanced civilization in 2013 which is located at a distance of 7 light-years from the Sun, in what year was the signal actually transmitted?
A) 2007
B) 2013
C) 2020
D) 2006

Question

Quizplus · Accepted Answer

Since the signal was detected in 2013 and its location is 7 light-years from the Sun, it means that the signal took 7 years to reach us. Therefore, the signal was transmitted in 2006.

If We Were to Detect a Signal from an Advanced