Question

During the landing of mars science laboratory curiosity, it was reported that the signal from the rover would take 14 minutes to reach Earth. Radio signals travel at the speed of light, about 186,000 miles per hour. How far was Mars from Earth when Curiosity landed

Answer 1

156,240,000 miles

Explanation:

The speed of light is about 186,000 mi/s. The distance is then ...

(14 min)(60 s/min)(186,000 mi/s) = 156,240,000 mi

Mars was about 156 million miles from Earth.