Which of these are actual evidence for the existence of a black hole in the center of the Milky Way, and which are not?
The velocities of stars near the center of the Milky Way indicate a massive central body.
Very large telescopes have imaged the black hole's event horizon.
The radius of the orbits of stars near Sagittarius A* indicate a massive central body smaller than the Solar System.
Quasar emission features are detected from Sagittarius A*.
A bright, compact radio source is observed in the center of the Galaxy.
Stars are observed to pass the event horizon.
Answer Bank
false
true