The Rotation Curve of a Galaxy Is Important in Determining

question 69

Multiple Choice

The rotation curve of a galaxy is important in determining the galaxy's ____.

• A) mass
• B) age
• C) luminosity
• D) type
• E) diameter

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Definitions:

Radioactive Tracers

Substances that contain a radioactive atom to allow for the tracking of chemical processes or movements within an organism or system.

Adrenal Glands

Glands located above the kidneys that produce hormones such as adrenaline and cortisol, involved in stress responses and metabolism.

Sex Hormones

Chemical substances produced by the body that regulate sexual functions and characteristics, including estrogen, progesterone, and testosterone.

Stress Reactions

Physiological and psychological responses to perceived threats or challenges.