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Star A large celestial body that is composed of gas and emits light; The sun is a typical star.
Apparent Magnitude A brightness of a star as seen from earth.
Luminosity The actual brightness of an object such as a star.
Absolute magnitude Absolute magnitude is a measure on how a bright star would be if it were seen from a standard distance.
Temperature A measure on how hot or cold something is; specially of a measure of the average kinetic that particles in an object.
Main sequence stars Main sequence stars are stars that are fusing hydrogen atoms to form helium atoms in their cores
Astronomical- unit a unit of measurement equal to 149.6 million kilometers, the mean distance from the center of the earth to the center of the sun.
Created by: 4804076413