HR Diagram

Front

What is the HR Diagram?

Back

The Hertzsprung-Russell (HR) Diagram is a scatter plot that shows the relationship between the luminosity and temperature of stars.

Front

What does the HR Diagram plot on the x-axis?

Back

The x-axis of the HR Diagram typically represents the temperature of stars, usually in Kelvin.

Front

What does the HR Diagram plot on the y-axis?

Back

The y-axis of the HR Diagram represents the luminosity of stars, often in terms of the Sun's luminosity.

Front

What are the main types of stars found on the HR Diagram?

Back

The main types of stars on the HR Diagram include main sequence stars, giants, supergiants, and white dwarfs.

Front

Where do most stars lie on the HR Diagram?

Back

Most stars lie along the main sequence, which runs from the upper left (hot, luminous stars) to the lower right (cool, dim stars).

Front

What type of star is a Red Star on the HR Diagram?

Back

A Red Star is typically a cooler star, often found on the right side of the HR Diagram.

Front

What is a Giant star?

Back

A Giant star is a large star that is more luminous than a main sequence star of the same temperature.

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.

Tags

NGSS.HS-ESS1-1

Front

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

Back

A star's temperature affects its color; hotter stars appear blue or white, while cooler stars appear red or orange.

Front

What type of galaxy is characterized by a smooth, featureless light profile?

Back

An Elliptical galaxy is characterized by a smooth, featureless light profile and lacks the distinct structure of spiral galaxies.