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star

TermDefinition
Star a fixed luminous point in the night sky that is a large, remote incandescent body like the sun.
Apparent magnitude the magnitude of a celestial object as it is actually measured from the earth
Luminosity the intrinsic brightness of a celestial object (as distinct from its apparent brightness diminished by distance).
Absolute magnitude he magnitude (brightness) of a celestial object as it would be seen at a standard distance of 10 parsecs.
Temperature the degree or intensity of heat present in a substance or object, especially as expressed according to a comparative scale and shown by a thermometer or perceived by touch.
Main-sequence a series of star types to which most stars belong, represented on a Hertzsprung–Russell diagram as a continuous band extending from the upper left (hot, bright stars) to the lower right (cool, dim stars).
Astronomical-unit (Au) The average distance from the Earth to the Sun.(93 million miles)
Created by: Miliann
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