If a Star's Measured Parallax Is 0

question 43

Multiple Choice

If a star's measured parallax is 0.2 arcsec, what is its distance?

• A) 2 pc
• B) 5 pc
• C) 20 pc
• D) 40 pc
• E) 50 pc

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Definitions:

Wobblies

Nickname for members of the Industrial Workers of the World (IWW), a labor union founded in 1905 in the United States, known for its radical approach to workers' rights.

Industrial Workers of the World

An international labor union founded in 1905 in the United States, promoting the concept of "One Big Union" for all workers and advocating for the abolition of the wage system.

Transcontinental Railroad

A railway system that connects the Atlantic and Pacific coasts of the United States, completed in 1869 to facilitate commerce and the movement of people.

Federal Land Grants

Land given by the government to support various endeavors, such as the building of railroads or educational institutions.