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Stars&Constellations

Stars & Constellations

TermDefinition
Star A large celestial body that is composed of gas and that emits light;the sun is a typical star.
Apparent Magnitude The brightness of a star as seen from Earth.
Luminosity The actual brightness of an object such as a star.
Absolute Magnitude A measure of how bright a star if it were seen from a standard distance.
Nebula A cloud of gas and dust in outer space, visible in the night sky either as an indistinct bright patch or as a dark silhouette against other luminous matter.
Nuclear Energy The energy released during nuclear fission or fusion, especially when used to generate electricity.
Super Nova A star that suddenly increases greatly in brightness because of a catastrophic explosion that ejects most of its mass.
Created by: LauraAdames