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Cubangbang #94745

Cubangbang's Universe and Galaxy Study Stack #94745

A pattern of stars in the sky. constellation
Electromagnetic radiation that can be seen with the unaided eye. visible light
Energy that travels through space in the form of waves. Electromagnetic radiation
The distance between the crest of one wave and the crest of the next. Wavelength
The range of wavelengths of electromagnetic waves. spectrum
A telescope that uses convex lenses to gather and focus light refracting telescope
A piece of transparaent glass curved so that the middle is thicker than the edges convex lens
A telescope that uses one of more mirrors to gather light. reflecting telescope
A device used to detect radio waves from objects in space. radio telescope
A building that contains one or more telescopes. observatory
An instrument that separates light into colors and photographs the resulting spectrum. spectrograph
A giant structure that contains hundreds of billions of stars. galaxy
All of space and everything in it. universe
The distance that light travels in one year. light-year
The apparent change in position of an object. parallax
A very large star, much larger than the sun. giant star
The brightness of a star as seen from Earth. apparent magnitude
The brightness of a star if it were a standard. absolute magnitude
A graph relating the temperature and brightness of stars. Hertzsprung-Russell diagram
An area on the Hertzsprung-Russell diagram that runs from the upper left to the lower right and includes more than 90 percent of all stars. main sequence
A neutron star that produces radio waves. pulsar
A large amount of gas and dust in space, spread out in an immense volume. nebula
A contracting cloud of gas and dust; the earliest stage of a star's life. protostar
The remaining hot core of a star after its outer layers have expanded and drifted out into space. white dwarf
The explosion of a dying giant or supergiant star. supernova
A tiny star that remains after a supernova explosion. neutron star
The remains of an extremely massive star pulled into a small volume by the force of gravity. black hole
A distant galaxy with a black hole at its center. quasar
A star system that contains two stars. binary star
A star system in which one star periodically blocks the light from another. eclipsing binary
A galaxy whose arms curve outward in a pinwheel pattern. spiral galaxy
A galaxy shaped like a flattened ball, containing only old stars. elliptical galaxy
A galaxy that does not have a regular shape. irregular galaxy
The theory that states the inital explosion that resulted in the formation and expansion of the universe. big bang
Created by: jcubangbang