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Observing the Universe

Terms

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Eyepiece lens
lens used to magnify concentrated image from a lens or mirror
Reflecting Telescope
uses a concave mirror to concentrate light
Telescopes
used to concentrate light in order to see objects in space
Very Large Array
a collection of radio telescopes located in New Mexico
Radio Telescope
collect and amplify radio waves of distant objects
Refracting Telescope
uses a convex lens to concentrate light
Focal point
the place where light is concentrated by a lens or mirror
Convex
bulges out (like a mogul or an eye)
Spectroscope
used to analyze different wavelengths of light collected by an optical telescope
Adaptive Optics
computers are used to clarify distorted images from space
Space telescope
telescope in orbit around the Earth
Hubble
a space telescope that is in orbit 610 km from Earth
Concave
bulges in (like a bowl)
Light-year
unit of distance equal to the distance that light travels in one year ( = 9.5 trillion km)
Constellations
patterns of stars named after stories, animals, or tools

Deck Info

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