Imagine you can build a satellite to study dark matter in the Milky Way. You want this satellite to start from the Milky Way's center and get to the extreme outer regions of the Milky Way's disk where dark matter should be the most pronounced. How far away from the Milky Way center will this satellite have to go?

Group of answer choices

about 1 au

about 1 light year

about 1,000,000 pc

less than 1,000 km

about 50,000 light years

1 answer

The satellite will have to go about 50,000 light years away from the Milky Way center to reach the extreme outer regions of the Milky Way's disk where dark matter should be the most pronounced.