H-R Diagram

Front

What does the effective temperature of a star relate to?

Back

The effective temperature of a star is related to its color.

Front

What type of stars make up about 90 percent of the H-R diagram?

Back

Main sequence stars.

Front

Which type of star is the coldest?

Back

Red Star.

Front

How does a red supergiant compare to a white dwarf?

Back

A red supergiant is colder and brighter compared to a white dwarf.

Front

What kind of star is our sun?

Back

Our sun is a main sequence star.

Front

What is the H-R diagram used for?

Back

The H-R diagram is used to classify stars based on their luminosity and temperature.

Front

What are the two main axes of the H-R diagram?

Back

The vertical axis represents luminosity, and the horizontal axis represents temperature.

Front

What is a red giant?

Back

A red giant is a large, luminous star that has expanded and cooled, typically found in the upper right of the H-R diagram.

Front

What is a white dwarf?

Back

A white dwarf is a small, dense star that is the remnant of a star that has exhausted its nuclear fuel.

Front

What is the significance of the main sequence on the H-R diagram?

Back

The main sequence is where stars spend most of their life cycle, fusing hydrogen into helium.