Multiple Choice
Which of the following statements about interstellar matter is FALSE?
A) 99% of it is in the form of gas
B) it is clumpy: much of it is distributed in patchy, irregular clouds
C) the total mass in interstellar matter in our Galaxy is about 5% of the mass in stars
D) if the matter were spread out evenly, it would be about as dense as the Earth's atmosphere
E) it also includes grains of dust
Correct Answer:
Verified
Correct Answer:
Verified
Q6: Which of the following descriptions of interstellar
Q7: A friend of yours who has not
Q8: The red color we see on a
Q9: You are an astronomer whose supervisor has
Q10: The Local Bubble is<br>A) a region of
Q12: Some of the interstellar gas in our
Q13: The term "baryon cycle," as astronomers use
Q14: Why can astronomers not tell from what
Q15: If an astronomer wanted to find some
Q16: Cosmic rays are<br>A) high-energy electro-magnetic radiation<br>B) fast-moving