Multiple Choice
About how large is a 1 million solar mass black hole such as those that may exist at the centers of many galaxies?
A) A few km in radius
B) A few thousand km in radius
C) A few million km in radius
D) A few billion km in radius
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q3: Which of the following is a good
Q4: Quasars all have great distances.Why are there
Q5: How do we know that the quasars
Q6: Since quasars are thought to be at
Q7: Why was it difficult for astronomers to
Q9: Some quasars vary in brightness in only
Q10: How do we know that quasars are
Q11: Why do Seyfert Galaxies strengthen the case
Q12: Which of the following is true of
Q13: The spectra of quasars reveal lines of