How Do We Obtain an Estimate of the Amount of Mass

question 390

Multiple Choice

How do we obtain an estimate of the amount of mass that is inside the Sun's orbital path in the Milky Way Galaxy?

• A) by counting stars, assuming an average stellar mass, and calculating the total mass
• B) by observing the bending of light from distant galaxies as the light passes near the center of the Milky Way
• C) by observing the movement of the Galaxy toward neighboring galaxies because of mutual gravitational attraction
• D) by applying Kepler's law to the motion of the Sun and other nearby stars

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Definitions:

Needs Teaching

Indicates a requirement for educational intervention to enhance a patient's knowledge about health conditions or medical procedures.

Needs To Be Turned

Refers to the necessity for periodic repositioning of a patient or object, often to prevent pressure sores or for comfort.

Intermediate Priority

A classification of tasks or needs that are important but not urgent, falling between high and low priority in terms of immediacy.

Needs Teaching

A determination that a patient requires additional information or instruction to understand their health condition, treatment, or care requirements.