HR Diagram

Front

What happens to the temperature of stars as you move left to right on the HR diagram?

Back

The temperature of stars decreases.

Front

What does luminosity measure in relation to stars?

Back

Luminosity measures the total amount of energy a star emits.

Front

How massive is the Sun compared to other stars?

Back

The Sun is considered medium in mass.

Front

What is the HR diagram used for?

Back

The HR diagram is used to classify stars based on their luminosity and temperature.

Front

What are the two main axes of the HR diagram?

Back

The x-axis represents temperature, and the y-axis represents luminosity.

Front

What type of stars are found in the upper left corner of the HR diagram?

Back

Hot, luminous stars.

Front

What type of stars are found in the lower right corner of the HR diagram?

Back

Cool, dim stars.

Front

What is a red giant?

Back

A red giant is a large, luminous star that has expanded and cooled.

Front

What is a white dwarf?

Back

A white dwarf is a small, dense star that is the remnant of a low to medium mass star.

Front

How does the HR diagram help in understanding stellar evolution?

Back

The HR diagram shows the stages of a star's life cycle based on its temperature and luminosity.