Hi Lupe,
How much you make really depends on the level of job you have. A
graduate student doesn't make a lot (although usually they have their
tuition at the school paid for, so that's a bonus) and a full professor
usually makes a reasonable amount of money. Research scientists
at various laboratories and institutions can make a reasonable amount
of money too (again depending on their rank). However, it is
unlikely you will get rich being a solar or space physicist.
Most of us are happy to be paid doing something that we really enjoy!
Best,
Christina