How Is Distance Determined to the Nearest Stars? How Far

question 62

Essay

How is distance determined to the nearest stars? How far out can this technique be applied?How many stars can be measured in this way?

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Definitions:

Hemodynamic Changes

Alterations in the blood flow or blood pressure within the circulatory system.

Systolic Blood Pressure

The top number in a blood pressure reading, representing the pressure in the arteries when the heart beats.

Diastolic Blood Pressure

The pressure in the arteries when the heart is at rest between beats; it is the lower number in a blood pressure reading.

Pulmonic Valve

A heart valve located between the right ventricle and the pulmonary artery, regulating blood flow to the lungs.