In Searches for Planets Orbiting Stars Other Than the Sun

question 68

Multiple Choice

In searches for planets orbiting stars other than the Sun, what is the astrometric method?

• A) searching for tiny "bumps" on images of a star, due to the light from a planet located close to the star
• B) searching for tiny displacements of the infrared image of a star compared with its optical image, caused by the presence of planets that are cool and emit primarily in the infrared
• C) searching for tiny wobbles in the position of a star, due to the gravitational pull of a planet orbiting around it
• D) searching for tiny wobbles in the positions of absorption lines in a star's spectrum, caused by radial velocity variations of the star as the result of a planet orbiting around it

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Definitions:

Information Overload

The difficulty in understanding an issue and making decisions due to the presence of too much information.

Individual Differences

Variations among individuals in terms of their behaviors, motives, perceptions, and cognitive abilities.

Controlled Processing

A type of mental processing that is deliberate, requiring effort and conscious attention.

Information Attention

The focus or concentration given to data or inputs from the environment.