Front

What is the HR Diagram used for?

Back

The HR Diagram (Hertzsprung-Russell Diagram) is used to classify stars based on their luminosity, color, temperature, and evolutionary stage.

Front

What does the color of a star indicate?

Back

The color of a star indicates its temperature; hotter stars appear blue, while cooler stars appear red.

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-3

Front

What is the hottest type of star on the HR Diagram?

Back

The hottest type of star on the HR Diagram is typically classified as a blue supergiant.

Front

What category contains the majority of stars in the HR Diagram?

Back

The Main Sequence category contains the majority of stars in the HR Diagram.

Front

How does the size of a star relate to its position on the HR Diagram?

Back

Larger stars tend to be found in the upper regions of the HR Diagram, while smaller stars are found in the lower regions.

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 and shed its outer layers.

Front

What is a Giant star?

Back

A Giant star is a large star that has expanded and cooled, typically found in the upper right portion of the HR Diagram.

Front

What is the significance of the Main Sequence in stellar evolution?

Back

The Main Sequence is where stars spend the majority of their lifetimes, fusing hydrogen into helium in their cores.

Tags

NGSS.HS-ESS1-1

Front

What type of star is Deneb classified as?

Back

Deneb is classified as a blue supergiant star.

Front

What is the relationship between luminosity and temperature in the HR Diagram?

Back

In the HR Diagram, there is a general trend where higher temperature stars are also more luminous.