What Is an Accretion Disk

question 48

Multiple Choice

What is an accretion disk?

• A)any flattened disk in space,such as the disk of the Milky Way Galaxy
• B)a disk of hot gas swirling rapidly around a white dwarf,neutron star,or black hole
• 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:

Mass Transit

A public transportation system designed to move large numbers of people efficiently within urban and suburban areas.

Working-Class Neighborhoods

are residential areas predominantly inhabited by individuals and families engaged in blue-collar jobs, often characterized by more affordable housing and a tight-knit sense of community.

Urban Outskirts

Areas located on the edge of cities, typically characterized by a transition from dense urban structures to more suburban or rural settings.

Urban Housing Conditions

The state and quality of living environments in city areas, often highlighting issues related to overcrowding, sanitation, and access to amenities.