You Have Observed the Wobble in the Velocity Curves of Two

question 42

Multiple Choice

You have observed the wobble in the velocity curves of two otherwise identical stars. Star A has a period of 6 months and Star B has a period of 1 year. What can you say about these stars?

• A)Star A's planet is more massive than Star B's planet.
• B)It is impossible to say anything about the planets orbiting these stars.
• C)Star A's planet must be closer than Star B's planet.
• D)Star B must have a planet like Earth.

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Definitions:

Inflammation

The body's natural response to injury or infection, leading to redness, warmth, swelling, and sometimes pain at the affected site.

ACTH

Adrenocorticotropic hormone, a hormone produced by the pituitary gland that stimulates the adrenal glands to release cortisol, important for stress response.

Pineal Gland

A small, pinecone-shaped gland in the brain that produces melatonin, which helps regulate sleep-wake cycles.

Glucocorticoids

A class of steroid hormones that play critical roles in the body's stress response, metabolism, immune reaction, and inflammation control.