8.9A Stars Quick Check

Front

What is the Hertzsprung-Russell diagram?

Back

A graphical representation of stars that plots their absolute magnitude against their temperature, used to classify stars and understand their life cycles.

Front

What type of star has an absolute magnitude of -5M and a temperature of 4,000 K?

Back

Supergiant.

Front

Which color of star is the hottest?

Back

Blue.

Front

True or False: A large star with more mass has a longer life cycle than a star with less mass.

Back

False.

Front

What stage of a star's life cycle is represented by a black hole?

Back

The final stage after a massive star has collapsed under its own gravity.

Front

What is absolute magnitude?

Back

A measure of the intrinsic brightness of a star, defined as the brightness it would have at a distance of 10 parsecs.

Front

What does the temperature of a star indicate?

Back

The color and type of the star, with hotter stars appearing blue and cooler stars appearing red.

Front

What is a blue giant?

Back

A very hot, massive star that is much larger than the Sun and has a short life span.

Front

What is a white dwarf?

Back

A small, dense star that is the remnant of a low to medium mass star after it has exhausted its nuclear fuel.

Front

What is a neutron star?

Back

An extremely dense star composed mostly of neutrons, formed from the remnants of a supernova explosion.