A large celestial body that is composed of gas and that elites light; The sun is a typical star.

The brightness of a star seen from earth.

The actual brightness of an object such as a star.

Absolute Magnitude is a measure of how bright a star would be if it were seen from a standard distance.

A measure of how hot or cold something is.

The location on the H-R diagram were most stars lie.

The average distance between Earth and Sun.

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Stars

Term	Definition
Star	A large celestial body that is composed of gas and that elites light; The sun is a typical star.
Apparent Magnitude	The brightness of a star seen from earth.
Luminosity	The actual brightness of an object such as a star.
Absolute Magnitude	Absolute Magnitude is a measure of how bright a star would be if it were seen from a standard distance.
Temperature	A measure of how hot or cold something is.
Main-sequence stars	The location on the H-R diagram were most stars lie.
Astronomical-unit	The average distance between Earth and Sun.