Are We Really Stardust? (On Grade)_02

You hear your mother coming in the backdoor. You yell out “Good morning, Mom.” “Good morning, Stardust,” she yells back as you hear the door close. Your father has already left for work as he likes to get an early start at his job. Your Mom normally works during the day at the nearby university, but sometimes she scores some time on the university’s large optical telescope. When this happens, she becomes a night-owl, starting work when the stars come out. That is the life of an astrophysicist. Astrophysicists study the physical and chemical nature of astronomical objects, such as stars. This is slightly different from an astronomer that is more interested in the positions or motions of objects in space.