In Many Instances,the Detector That Has Replaced the Photographic Plate

question 52

Multiple Choice

In many instances,the detector that has replaced the photographic plate for astronomical photography is the

• A) diffraction grating.
• B) CCD (charge-coupled device).
• C) interferometer.
• D) PMT (photomultiplier tube).

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Definitions:

Benzodiazepines

A class of psychoactive drugs with sedative, hypnotic, anxiolytic, anticonvulsant, and muscle relaxant properties, often used to treat anxiety, insomnia, and seizures.

Endorphins

Natural pain-relieving neurotransmitters produced by the brain in response to stress or discomfort, often associated with a feeling of well-being.

GABA

Gamma-Aminobutyric Acid, a chief inhibitory neurotransmitter in the central nervous system, playing a key role in reducing neuronal excitability.

Anandamides

Naturally occurring compounds in the body that bind to cannabinoid receptors, influencing mood, appetite, and pain perception.