To Calculate the Masses of Stars in a Binary System,we

question 86

Multiple Choice

To calculate the masses of stars in a binary system,we must measure their

• A)spectral types and distance from Earth.
• B)absolute magnitudes and luminosities.
• C)luminosities and distance from Earth.
• D)orbital period and average orbital distance.

---

Definitions:

Interest Rate

The sum, as a percentage of the principal, required by a lender from a borrower for the employment of assets.

Real GDP

Real GDP represents the total value of all goods and services produced over a specific time period, adjusted for inflation. It provides a more accurate measure of economic growth.

Price Level

A measure of the average of all prices in an economy, indicating the cost of goods and services at a specific time.

Interest Rate

A percentage of a loan amount charged by the lender to the borrower for the use of money.