The Number of Confirmed Extrasolar Planets

question 116

Multiple Choice

The number of confirmed extrasolar planets

• A) was about 800 at the time of publication but is rising rapidly due to new observations by the Kepler spacecraft.
• B) is about 600, and is not expected to rise very much.
• C) is about 800, and is rising slowly, as observations are quite difficult.
• D) has been decreasing as some observations thought to be planets have been disproven.
• E) is zero; there are observations thought to be of extrasolar planets but none has yet been confirmed.

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Definitions:

Episodic

Pertaining to events or experiences that are organized into discrete, individual units or episodes in memory.

Generic

Attribute or thing that is characteristic of all or most members of a class, not specific or specialized.

Intelligence Tests

Standardized assessments designed to measure a person's cognitive abilities and potential relative to a population.

Reliable

The quality of being consistently good in quality or performance, dependable.