If the Black Hole in the Center of the Milky $1 / 2$

question 13

Multiple Choice

If the black hole in the center of the Milky Way Galaxy were 4 *10⁶ solar masses, what would be the orbital period of Earth around this object in an orbit of radius 1 au (assuming that Newtonian physics and Kepler's third law apply) ?

• A) less than 1 second
• B) 3 minutes
• C) 4 \(1 / 2\) hours
• D) 5 weeks