HR Diagram

Front

What is the approximate surface temperature of the Sun?

Back

5,500 °C

Front

What type of stars are located in letter B on the HR Diagram?

Back

White Dwarfs

Front

Is the surface temperature of White Dwarf stars higher or lower than Red Supergiants?

Back

Higher

Front

What factor affects the color of a star?

Back

Surface temperature of the star

Front

What type of star has a low temperature and a low luminosity?

Back

Smaller Main Sequence stars

Front

What is the HR Diagram used for?

Back

To classify stars based on their luminosity, temperature, and evolutionary stage.

Front

What are the main regions of the HR Diagram?

Back

Main Sequence, Red Giants, Supergiants, and White Dwarfs.

Front

How does the luminosity of a star relate to its temperature?

Back

Generally, more luminous stars have higher temperatures.

Front

What is a Red Supergiant?

Back

A very large star that is cooler than a blue supergiant but has high luminosity.

Front

What is the significance of a star's color?

Back

It indicates the star's surface temperature.