Types of Stars

Front

What are the main types of stars according to spectral classification?

Back

There are 7 main types of stars: O, B, A, F, G, K, and M.

Front

What is the mass range of supergiant stars compared to the Sun?

Back

Supergiant stars can have a mass ranging from 10 to 70 times that of the Sun.

Front

What is the surface temperature range of B-class stars?

Back

The surface temperature of B-class stars ranges from 20,000 to 30,000 degrees Kelvin.

Front

What color are O-class stars?

Back

O-class stars are blue.

Front

Which class of stars is the most abundant in the universe?

Back

M-class stars are the most abundant in the universe.

Front

What is the surface temperature range of M-class stars?

Back

M-class stars have a surface temperature range of about 2,400 to 3,700 degrees Kelvin.

Front

What is the color of M-class stars?

Back

M-class stars are red.

Front

What is the significance of a star's spectral classification?

Back

Spectral classification helps in understanding a star's temperature, composition, and luminosity.

Front

What is the relationship between a star's mass and its lifespan?

Back

Generally, more massive stars have shorter lifespans due to faster nuclear fusion.

Front

What is a supernova?

Back

A supernova is a powerful explosion that occurs at the end of a star's life cycle.