Observers in a Distant Solar System Are Watching Our Sun

question 5

Multiple Choice

Observers in a distant solar system are watching our Sun and using the radial-velocity method to try to determine whether the Sun has planets.Because of the gravitational pull of Jupiter,the observers see the Sun's spectrum slowly redshift and then blueshift by a tiny amount.How long must they observe to see a full cycle?

• A) 25 days
• B) 1 year
• C) almost 12 years
• D) It depends on how far away the observers are.

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Definitions:

Plumbers and Pipefitters

Skilled tradespeople specializing in installing and repairing piping systems for water, gas, and other materials.

Skills

The abilities and expertise that individuals possess, allowing them to perform certain tasks efficiently.

Union Steward

An elected or appointed union member who serves as a representative and link between the union leadership and the workers, often handling grievances and negotiations.

Job Security

The probability or likelihood that an individual will retain their job without the risk of becoming unemployed.