The Event Horizon of a Black Hole Is Defined as

question 89

Multiple Choice

The event horizon of a black hole is defined as

• A) the point of maximum gravity.
• B) the radius of the original neutron star before it became a black hole.
• C) the radius from which shock waves course through spacetime due to the strong gravitational distortion of the black hole.
• D) the radius at which the escape speed from the black hole equals the speed of light.
• E) the radius at which the gravitational force is the same as that on the surface of the Sun.

---

Definitions:

Revolutionary War

The conflict between the Thirteen American colonies and British monarchy from 1775 to 1783, which resulted in the founding of the United States of America.

Tax Rate

The percentage at which an individual or corporation is taxed by the government, often varying by income or value.

Suspicious Alliances

Partnerships or agreements that may raise concerns or doubts about the motives or intentions of the involved parties.

Slavery

A system in which individuals are owned by others, deprived of personal freedom and compelled to perform labor or services.