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Cubangbang #94745
Cubangbang's Universe and Galaxy Study Stack #94745
| Definition | Vocabulary |
|---|---|
| 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
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