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15 Cards in this Set
- Front
- Back
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charge-coupled device
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a type of solid state silicon wafer designed to detect photons
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electromagnetic spectrum
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the entire array or family of electromagnetic radiation
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gamma ray
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the most energetic form of electromagnetic radiation
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light-gathering power
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a measure of how much light a telescope intercepts and brings to a focus
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magnification
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the number of times larger in angular diameter an object appears through a telescope in comparison to a naked eye
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photon
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a discrete unit of electromagnetic energy
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radio wave
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long wavelength electromagnetic radiation
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reflecting telescope
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main light gatherer is a mirror
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refracting telescope
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principle light gatherer is a lens
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twinkling
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the apparent change in a stars brightness
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wavelength
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the distance between 2 successive peaks in a wave
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interferometry
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a method of increasing resolving power by combining electromagnetic radiation obtained by two or more telescopes
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objective lens
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lens of a refracting telescope
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eyepiece lens
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a magnifying lens used to view the image produced at the focus of an image
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primary mirror
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the large, concave, light gathering mirror in a reflecting telescope
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