What Is the Event Horizon of a Black Hole

question 25

Multiple Choice

What is the event horizon of a black hole?

• A) "surface" at which any object passing through it will leave with greater energy than when it entered
• B) "surface" at which all events happen
• C) infinitesimally small volume at the center of the black hole that contains all of the black hole's mass
• D) "surface" from inside of which nothing can escape

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Definitions:

Acetylene

A hydrocarbon and the simplest alkyne, used as a fuel and a chemical building block.

Correct Hybridization

The appropriate mixing of atomic orbitals to form hybrid orbitals that can explain the bonding in a molecule.

Atom

The basic unit of a chemical element, consisting of a nucleus of protons and neutrons, surrounded by electrons.

Molecule

The smallest particle in a chemical element or compound that has the chemical properties of that element or compound.