Imagine that our Sun were magically and suddenly replaced by a black hole of the same mass (1 solar mass).What would happen to Earth in its orbit?
A)Earth would almost instantly be sucked into oblivion in the black hole.
B)Earth would orbit faster,but at the same distance.
C)Earth would slowly spiral inward until it settled into an orbit about the size of Mercury's current orbit.
D)Nothing-Earth's orbit would remain the same.

Question

Quizplus · Accepted Answer

The mass of the black hole would be the same as that of the Sun, so the gravitational force that the Earth would experience would remain the same. Therefore, the Earth's orbit would remain the same as before, and it would continue to orbit the black hole as it did the Sun.

Imagine That Our Sun Were Magically and Suddenly Replaced by a Black