Multiple Choice
What is the best evidence for an extremely massive black hole in the center of the Milky Way?
A) Huge amounts of X-rays are pouring out of the center of the galaxy.
B) The center of our galaxy hosts a pulsar that is spinning so fast that it could only be a black hole.
C) We observe stars vanishing in the center of the Galaxy as they are sucked into the black hole.
D) The orbits of stars in the center of the galaxy indicate that the presence of 3- to 4-million-solar-mass object in a region no larger than our Solar System.
Correct Answer:
Verified
Correct Answer:
Verified
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Q2: Which constellation lies in the direction toward
Q3: What evidence suggests that we live inside
Q5: How do we know the total mass
Q6: The image of our galaxy in radio
Q7: Which of the following statements about halo
Q8: We can see most of the galaxy
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