Current Searches for Extraterrestrial Intelligence Use Radio Telescopes at Wavelengths

question 40

Multiple Choice

Current searches for extraterrestrial intelligence use radio telescopes at wavelengths

• A) which must be shorter than the local wavelengths emitted by Earth's atmosphere.
• B) which must be longer than the radio wavelength "noise" naturally emitted by our galaxy.
• C) both A and B
• D) Wrong! Visual light wavelengths are used because radio waves are blocked by dust between the stars.

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Definitions:

Internal And External Stimulation

Refers to inputs from within an individual's body (internal) and from the external environment (external) that can influence feelings, thoughts, and behaviors.

Infant's State

Describes the varying levels of alertness and responsiveness exhibited by infants, including states of sleep, wakefulness, and distress.

Peripheral Slowing Hypothesis

A theory proposing that the aging process is accompanied by a gradual slowing of processing speed in the peripheral nervous system, affecting reaction times and sensorimotor skills.

Reaction Time

The amount of time it takes to respond to a stimulus, often used as an indicator of sensory and neural processing speed.