HR Diagrams

Front

What color stars are the hottest?

Back

Blue stars are the hottest.

Front

What do stars produce?

Back

Stars produce both heat and light.

Tags

NGSS.HS-ESS1-1

Front

What are the three main details stars are plotted on HR diagrams for?

Back

Color, brightness, and temperature.

Front

What color stars are the coolest?

Back

Red stars are the coolest.

Front

What are HR diagrams?

Back

HR diagrams are a way to classify stars.

Front

What does HR stand for in HR diagrams?

Back

HR stands for Hertzsprung-Russell.

Tags

NGSS.HS-ESS1-3

Front

What is the relationship between a star's color and its temperature?

Back

A star's color indicates its temperature; blue is hot, red is cool.

Front

What is the main purpose of an HR diagram?

Back

The main purpose is to classify stars based on their luminosity and temperature.

Front

What type of stars are found on the main sequence of the HR diagram?

Back

Main sequence stars range from hot, bright stars to cool, dim stars.

Front

What is a red giant?

Back

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

Tags

NGSS.HS-ESS1-3