You Discover a Binary Star System in Which Star a Has

question 56

Multiple Choice

You discover a binary star system in which star A has a velocity of 10 km/s and star B has a velocity of 30 km/s.If you study the system further and find out that the orbital period is 30 days and the orbital separation is 0.3 AU then what are the masses of stars A and B?

• A) Star A is 3 M_\(\bigodot\) and Star B is 1 M_\(\bigodot\).
• B) Star A is 1 M_\(\bigodot\) and Star B is 0.3 M_\(\bigodot\).
• C) Star A is 6 M_\(\bigodot\) and Star B is 2 M_\(\bigodot\).
• D) Star A is 2 M_\(\bigodot\) and Star B is 0.5 M_\(\bigodot\).

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Definitions:

Dorsal Horn Neurons

are neurons located in the dorsal horn of the spinal cord, playing a crucial role in processing sensory information.

Dorsal Horns

The part of the spinal cord away from the stomach that receives sensory input and that may play an important role in the perception of pain.

Spinal Cord

The main pathway for information connecting the brain and peripheral nervous system, crucial for sensory and motor functions below the head.

Bradykinin

A peptide that causes blood vessels to dilate (expand), resulting in lower blood pressure and increased blood flow to certain areas of the body.