Question

before Stephen made his discovery ,scientist thought that black holes emitted radiation​

Answer 1

Answer:

According to Hawking's theory, black holes are not perfectly "black" but instead actually emit particles. This radiation, Hawking believed, could eventually siphon enough energy and mass away from black holes to make them disappear.

Explanation:

Hope it helps you dear friend.

Answer 2

Explanation:

According to Hawking's theory, black holes are not perfectly "black" but instead actually emit particles. This radiation, Hawking believed, could eventually siphon enough energy and mass away from black holes to make them disappear.