A Star Must Have a Certain Minimum Mass in Order

question 28

Multiple Choice

A star must have a certain minimum mass in order that gravity squeeze its matter sufficiently to

• A) hold it together as a single body.
• B) produce a temperature high enough for it to glow.
• C) produce a temperature high enough for nuclear reactions to start.
• D) turn its interior into liquid hydrogen.

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Definitions:

Texture Gradient

A depth cue based on the gradual reduction of detail that occurs in surfaces as they recede from the observer, suggesting distance.

Size Constancy

A perceptual phenomenon in which the perceived size of an object remains constant, despite changes in the distance or size of the retinal image.

Frequency

In physics, the number of occurrences of a repeating event per unit time, often measured in Hertz (Hz).

High C

Refers to high levels of conscientiousness, indicating a personality trait characterized by diligence, meticulousness, and a strong sense of duty.