Assuming that Uranus was at opposition to Earth when Voyager II sent back its historic (and magnificent) pictures from Uranus in January 1986, how long did those signals take to arrive after transmission by Voyager? The average distance of Neptune from the Sun is about $2871 \times 10^{6} \mathrm{~km}$ .

Question

Quizplus · Accepted Answer

The average distance from Uranus to Earth when at opposition is approximately 2.6 billion km. The speed of light is about 300,000 km/s. The time taken for light to travel this distance is approximately 2 hours and 31 minutes.

Assuming That Uranus Was at Opposition to Earth When Voyager 2871×106 km2871 \times 10^{6} \mathrm{~km}2871×106 km

Assuming That Uranus Was at Opposition to Earth When Voyager $2871 \times 10^{6} \mathrm{~km}$