What Is an Accretion Disk

question 43

Multiple Choice

What is an accretion disk?

• A) A disk of hot gas swirling rapidly around a white dwarf, neutron star, or black hole
• B) Any flattened disk in space, such as the disk of the Milky Way Galaxy
• C) A stream of gas flowing from one star to its binary companion star
• D) A disk of material found around every white dwarf in the Milky Way Galaxy

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Definitions:

Expected Loss

An estimate of the amount of money or value that may be lost in an investment or venture, considering the probability of various outcomes.

Flood Plain

A flat area of land near a river or stream that is subject to flooding during periods of high discharge.

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The quantification of the probability that an event will take place.

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