Question
After 20 years, the two Voyager spacecraft have reached about twice Pluto's distance from the Sun. How long will it take them to travel 4.2 ly-the distance to the nearest star?
Step 1
First, we need to find the current distance of the Voyager spacecraft from the Sun in light-years. Since they are about twice Pluto's distance from the Sun, we can use Pluto's average distance from the Sun, which is about 39.5 astronomical units (AU). Show more…
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