Strong Evidence for the Existence of Planetary Systems in the Process

question 25

Multiple Choice

Strong evidence for the existence of planetary systems in the process of formation around other stars comes from:

• A) detection of very regular pulses of radio energy from some stars.
• B) spectroscopic evidence of large quantities of molecules such as ammonia and methane, which can exist only in planetary atmospheres.
• C) direct photography of actual planets near other stars.
• D) periodic wobbling of the positions and spectral line displacements of several nearby stars.

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Definitions:

Direct Labor

The expenditure on the pay of staff members directly participating in the production of goods or delivery of services.

Production Department

A division within a manufacturing company responsible for the actual production of goods.

Prior Department

Refers to the earlier stage or department in a production process or organizational structure that precedes the current focus point.

Partially Processed Product

Items that have undergone some stages of the production process but are not yet completed.