Multiple Choice
How do we learn the chemical composition of the interstellar medium?
A) We make an educated guess based on the Sun's composition.
B) By studying spectra of interstellar gas clouds.
C) We collect samples of gas and dust from interstellar space.
D) We use computer simulations of the interstellar medium.
Correct Answer:

Verified
Correct Answer:
Verified
Q93: Generally speaking,how does the surface temperature and
Q94: Where does a 1-solar-mass protostar appear on
Q95: Why does the rotation of a protostar
Q96: No stars have been found composed solely
Q97: The typical density and temperature of molecular
Q98: What effect are magnetic fields thought to
Q99: Which star spends the longest time in
Q100: The interstellar clouds called molecular clouds are<br>A)the
Q101: Stars only form in molecular clouds that
Q102: What happens to the surface temperature and