HR-Diagram

Front

What spectral class does our star, the sun, belong to?

Back

G

Front

Which star is brighter than Alpha Centauri B, but dimmer than the sun?

Back

Tau Ceti

Front

Are Giants generally hotter than White Dwarfs?

Back

False

Front

What is the category that contains the most stars in the HR Diagram?

Back

Main Sequence

Front

What is the main sequence in the context of the HR Diagram?

Back

The main sequence is a continuous and distinctive band of stars that appears on plots of stellar color versus brightness.

Front

What are the characteristics of White Dwarfs?

Back

White Dwarfs are small, dense remnants of stars that have exhausted their nuclear fuel and are no longer undergoing fusion.

Front

What is the significance of the HR Diagram in astronomy?

Back

The HR Diagram is used to classify stars based on their luminosity, color, temperature, and evolutionary stage.

Front

What type of stars are found in the upper right corner of the HR Diagram?

Back

Red Giants and Supergiants.

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 a Supergiant star?

Back

Supergiants are among the largest stars in the universe, with high luminosity and large radii.