HR Diagram

Front

What is the HR Diagram?

Back

The HR Diagram (Hertzsprung-Russell Diagram) is a scatter plot that shows the relationship between the stars' absolute magnitudes or luminosities versus their stellar classifications or effective temperatures.

Front

Which category is our Sun located in?

Back

Main Sequence

Front

How is our Sun classified in terms of size and temperature?

Back

Medium size with medium temperature.

Front

What happens to stars as you move to the left on the HR Diagram?

Back

Stars get hotter.

Front

What type of stars are red stars considered?

Back

Red stars are the coolest.

Front

What are the main categories of stars in the HR Diagram?

Back

The main categories are White Dwarfs, Main Sequence, Giants, and Supergiants.

Front

What is a White Dwarf?

Back

A White Dwarf is a small, dense star that is the remnant of a low or medium mass star after it has exhausted its nuclear fuel.

Tags

NGSS.HS-ESS1-3

Front

What characterizes a Supergiant star?

Back

Supergiant stars are very large stars that have a high luminosity and are in the later stages of stellar evolution.

Front

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

Back

Hotter stars appear blue or white, while cooler stars appear red.

Front

What is luminosity in the context of stars?

Back

Luminosity is the total amount of energy emitted by a star per unit of time, often measured in watts.