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11 Cards in this Set
- Front
- Back
The first person to make extensive use of the telescope to study the heavens
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Galileo
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The turning back or turning aside of any wave when its hits an obstacle
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Reflection
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The bending of any wave's direction at the boundary between two wave media
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Refraction
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The type of telescope that uses only lenses to collect light and form an image
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Refracting telescope
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The type of telescope tht uses mirrors to collect light and form an image
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Reflecting telescope
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A device that splits light into a spectrum for analysis
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spectro-scope
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An instrument that collects radio waves from space
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radio telescopes
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Tiny but extremely dense rotating stars that produce rapid bursts of radio waves
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pulsars
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Scientist who developed the reflecting telescope
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Sir Isaac Newton
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Why do most professional astronomers use reflecting telescopes rather than refracting telescopes?
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because mirrors are cheaper and can be made much larger than lenses.
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Two ways in which astronomers can overcome the distortion of starlight that is caused by the earth's atmosphere.
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Place a telescope in space, where there is no air to distort the telescopes "vision" & Binoculars.
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