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appears to be the brightest star |
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Model that describes the developement of the universe |
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Region of space from which gravity prevents anything, including light from escaping |
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Electromagnetic Radiation |
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Energy that travels through space in the form of waves |
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A range of electromagnetic waves placed in order of wavelength |
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A transverse wave that transfers electric and magnetic energy |
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Galaxy shaped like a flattened ball that can contain mostly old stars |
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systems consisting of stars, steller remnants, and interstellar medium of gas and dust |
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Electromagnetic radiation with the shortest wavelength and highest frequency, used in atomic science |
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Hertzsprung-Russell Diagram |
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Graph relating the temperature and brightness of stars |
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Electromagnetic waves with shorter wavelengths and higher frequencies that microwaves, used in heating |
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A galaxy that does not have a regular shape (ex. not elliptical or spiral) |
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The distance light travels in one year |
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Area on the HR Diagram that contains 90% of all stars |
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Electromagnetic waves between radio and infrared used in cell phones and microwave ovens |
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a large amount of gas and dust in space spread out in an immense volume |
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A cataclysmic nuclear explosion in a white dwarf star |
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Building that contains one or more telescopes |
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change in teh apparent position of an object viewed from different places |
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A tiny particle or packet of light energy |
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A neutron star that produces radio waves |
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Electromagnetic wave with the longest wavelength and lowest frequencies |
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Spectrograph/Spectroscope |
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An instrument that breaks light from an object into colors and photographs the resulting spectrum |
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the dispersion of an object's light into it's component colors |
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A galaxy whose arms curve outward in a pinwheel pattern |
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A massive, luminous sphere of plasma held together by gravity |
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All of space and everything in it |
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Electromagnetic radiation with a wavelength shorter than visible light but longer than X-Ray, causes sunburn |
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Space that is empty of matter |
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Electromagnetic radiation that can be seen with the unaided eye |
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The remaining hot core of a star after its outer layers have expanded and drifted out into space |
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Electromagnetic waves with higher frequencies than ultraviolet rays but lower frequencies than gamma rays, used to take pictures of bones |
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Luminous giant star of low or imtermediate mass in a late phase of stellar evolution, low temperatures |
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Hot intermediate mass stars that have passed though a red giant phase and are now burning helium in their cores |
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type of stellar remnant that can result from the gravitational collapse of a massive star during a super nova event |
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