Multiple Choice
What is the most abundant element in the interstellar medium?
A) carbon
B) iron dust
C) carbon dust
D) helium
E) hydrogen
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q11: Calculations of the Sun's future evolution indicate
Q12: Because blue light has a shorter wavelength
Q13: _ is believed to be produced by
Q14: Stars are born in reflection nebulae.
Q15: Which type of nebulae is produced when
Q17: Elements such as carbon, silicon and oxygen
Q18: The interstellar reddening does not shift the
Q19: Nebula is just another name for the
Q20: To an observer on Earth, dust in
Q21: Distinguish between pressure and density .