If You Found a Galaxy with a Hydrogen Emission Line,normally

question 23

Multiple Choice

If you found a galaxy with a hydrogen emission line,normally found at 656.3 nm,with a measured wavelength of 756.3 nm,what would be the galaxy's redshift?

• A) 0.01
• B) 0.05
• C) 0.10
• D) 0.15

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Definitions:

Congestion Zones

Areas in a city or region where access is regulated or priced to reduce traffic congestion, typically involving fees for entry or use during peak times.

Traffic Congestion

The condition on transport networks that occurs as use increases and is characterized by slower speeds and longer trip times.

Privatize National Defense

The concept of transferring national defense responsibilities from the government to private entities.

Public Good

A commodity or service that is provided without profit to all members of a society, either by the government or a private individual or organization.