Classifying Stars

Front

What are the dying stars on the HR diagram?

Back

Both giants and dwarfs.

Front

What color are the hottest stars?

Back

Blue.

Front

What is the absolute magnitude of our sun?

Back

Approximately 4.5.

Front

What does the luminosity of a star indicate?

Back

It indicates how many times brighter the star is compared to our sun.

Front

What stage of life is our sun in on the HR Diagram?

Back

Main Sequence.

Front

What is the HR diagram used for?

Back

To classify stars based on their luminosity and temperature.

Front

What type of star is a red giant?

Back

A star that has expanded and cooled, appearing red.

Front

What is a white dwarf?

Back

A small, dense star that is the remnant of a low-mass star.

Front

What is the main sequence?

Back

A continuous band of stars that fuse hydrogen into helium in their cores.

Front

What is a supernova?

Back

An explosion that occurs at the end of a star's life cycle, often resulting in a neutron star or black hole.