You have to have an advanced degree in astrophysics.
Job description of an Astrophysicist
Astrophysicists are specialized physicists, which means they can expect at least a slightly higher wage starting out than the average physicist.
The starting pay scale of an Astrophsicist
The median salary for an astrophysicist is 60,200 annually
Where you would be working as an Astrophsicist
You will work at NASA or an Observatory so you can study space more thoroughly.