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:

Safety Stock

A level of extra inventory maintained to mitigate the risk of stockouts caused by variations in supply and demand.

DSO

Days Sales Outstanding; a measure of the average number of days that a company takes to collect revenue after a sale has been made.

Aging Schedule

A table that displays the amounts of receivables from customers, broken down into categories based on the time elapsed since the invoice date.

Seasonal Sales

Sales that are affected by the changes of the season, reflecting variations in consumer behavior and preferences at different times of the year.