How Did Astronomers Determine That the Planet Orbiting the Star

question 17

Multiple Choice

How did astronomers determine that the planet orbiting the star HD 209458 is a gas giant like Jupiter and not made mostly of rocks or metals?

• A) they looked for light from the planet reflected into the spectrum of the star
• B) they measured the mass of the planet, which immediately told them whether it was gas or rock
• C) they watched the planet eclipse (cover) the light of the star, and thus were able to get the planet's size
• D) they knew that any planet as close to its star as this one was could not be made of rock or metal
• E) it took more than one of the above measurements to figure out this problem
• Section 21.5: Exoplanets Everywhere - What We Are Learning

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Definitions:

Service Department Allocations

The process of distributing the costs of service departments to producing or operating departments based on their usage of services.

Service Department Charge Rate

The rate at which internal service departments charge other parts of the same organization for the services rendered.

Accounting Department

The division within a company responsible for managing financial records, ensuring compliance with accounting standards, and producing financial statements.

Service Department Cost

Involves the expenses associated with the departments that do not directly produce goods but provide support or services to other departments within an organization.