How Do Astronomers Know That the Luminous Regions of Active

question 90

Multiple Choice

How do astronomers know that the luminous regions of active nuclei of active galaxies are very small

• A)Their nuclei are much brighter than expected.
• B)The orbits of stars near the center of the galactic nuclei are faster than expected.
• C)The luminosity of the nuclei varies over short times.
• D)The color of the nuclei is different than expected.

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Definitions:

Implicit Learning

The process of learning complex information in an incidental manner, without awareness of what has been learned.

Prototypical Learning

A cognitive process of learning by understanding and categorizing items or concepts based on the best or most typical example of a particular category.

Mindless Learning

A form of learning in which individuals acquire information or skills without active engagement or deep understanding.

Algorithmic Learning

A method of machine learning where algorithms are used to parse data, learn from it, and make determinations or predictions.