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| sections of the sky that contain recognizable star patterns |
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| are stars seen at all times of the year and all times of the night |
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| millions of colors of white light |
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| a spectrum that shows all colors of light |
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| an insroment used to brake a stars light into a spectrum. the spectrum gives astronomers information about the composition and tempature of a star |
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| lines that are made when certain wavelengths or color of lights are given off or emitted by hot gasses. each element has its own set of bright emission lines which are like fingerprints for the elements |
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| a spectrum that is produced when light from a hot solid passes through a cooler gas |
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| apparent magnitude how bright a light looks |
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