Multiple Choice
Interstellar matter is composed primarily of ________.
A) ions
B) dust
C) oxygen
D) hydrogen
E) helium
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q24: Very large red stars,such as Betelgeuse in
Q25: What is the dominant factor in the
Q26: When viewed through an optical telescope,planetary nebula
Q27: Which of the following events is not
Q28: Most stars are in this stage of
Q30: The greatest number of galaxies belong to
Q31: On a Hertzprung-Russell Diagram,our Sun is classified
Q32: What is the main factor that determines
Q33: The measure of a star's brightness is
Q34: Based on the observed red shifts in