Binary (Double) Stars Can Be Detected by

question 11

Multiple Choice

Binary (double) stars can be detected by

• A) being seen as two separate stars with a telescope.
• B) one star traveling a wiggly proper-motion path across the sky.
• C) one star dimming abruptly as another passes in front of it.
• D) pairs of absorption lines seen in the spectrum of what appears to be one star.
• E) all of the above.

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Definitions:

Blood Pressure

The pressure of circulating blood on the walls of blood vessels, typically measured to assess heart health.

Minimal Risk Research

Research in which participants are exposed to risks that are no greater than those encountered in daily life or in routine physical or psychological tests.

Routine Physiological Data

Regularly collected data related to the biological functions of an organism, often used in health and medical contexts.

Vigorous Exercise

Physical activity that is intense enough to significantly increase heart rate and respiration.