The Parsec Is Defined So That a Star at a Distance

question 52

Multiple Choice

The parsec is defined so that a star at a distance of 1 parsec has a parallax of one arcsecond. If a star is located at a distance of 10 parsecs, what is its parallax?

• A) 0.1 arcseconds
• B) 0.01 arcseconds
• C) 1 arcsecond
• D) 10 arcseconds

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Definitions:

Cursive

A style of penmanship where characters are written in a flowing manner, typically for the purpose of making writing faster.

Conscious Information Processing

The deliberate and aware thinking, analysis, and judgement of information.

Unconscious Information Processing

Refers to the mental processes not in immediate conscious awareness that influence judgments, feelings, or behaviors.

Circadian Rhythm

Biological processes that display an endogenous, entrainable oscillation of about 24 hours, primarily influenced by light and darkness in an organism's environment.