Many astrophysicists do.
5000
There are many Canadian astrophysicists.
Yes.
Astrophysicists
There are a few current astrophysicists other then Steven Hawkins who are successful. Brian May, David Spergel, Alexei Filippenko, and Dirk Frimont are all examples of current successful astrophysicists.
Astronomers and astrophysicists
A person who studies that category is called an astronomer.
The correct spelling is astrophysicists.
Scientists (astronomers, astrophysicists).
I think either astrophysicists or astronomers do that.
None what so ever