Multiple Choice
In which of these sites in the universe has a supermassive black hole been proposed to account for recent observations?
A) center of the Milky Way
B) center of the Ring Nebula, a planetary nebula in Lyra
C) center of the universe, where the Big Bang occurred at the beginning of the universe
D) center of the Crab Nebula, an old supernova remnant
Correct Answer:
Verified
Correct Answer:
Verified
Q16: The Milky Way is an example of
Q17: The stellar components of the Milky Way
Q18: In 1785, William Herschel proposed that the
Q19: What is the source of the Milky
Q20: Which of these components of the Milky
Q22: Which parameters of star motion in the
Q23: The method Hubble used to determine the
Q24: The galactic halo contains outer and inner
Q25: If astronomers aim a radio telescope
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