HR Diagram

Front

What is the HR Diagram?

Back

The Hertzsprung-Russell diagram is a scatter plot that shows the relationship between the luminosity and temperature of stars.

Front

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

Back

The Sun is classified as medium size with medium temperature.

Front

Which spectral class does the Sun belong to?

Back

The Sun belongs to the G spectral class.

Front

What color of star is the hottest?

Back

The hottest stars are blue stars.

Front

What does the HR Diagram graph against luminosity?

Back

The HR Diagram graphs temperature against luminosity.

Front

Are giants hotter than white dwarfs?

Back

False, giants are not considered hotter than white dwarfs.

Front

What is luminosity in the context of stars?

Back

Luminosity is the total amount of energy emitted by a star per unit time.

Front

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

Back

Generally, hotter stars are blue, while cooler stars are red.

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.

Front

What is a giant star?

Back

A giant star is a star that has expanded and cooled after exhausting the hydrogen in its core.