Telescopes
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Magnification | Best known
Least important
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| Light Gathering Power | Most important
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| Resolution | Most difficult to understand
Ability to see fine detail
Scopes resolution is dependent on its aperture
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| MMT | Multiple Mirror Telescopes
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| Blue Shifted | Object coming toward you
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| Red Shifted | Object going away from you
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| Continuous Spectrum | Unbroken band of colors
Source sends out light of all visible wavelengths
Glowing Solid
Glowing Liquid
Hot compressed gases inside a star
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| Spectroscope | Separates starlight into its colors to identify different wavelengths
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| Visible Spectrum | Band of colors when starlight is separated
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| Bright Line Spectrum | Emission Spectrum
Comes from chemical elements when they are in the form of a glowing thin gas or vapor
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| Dark Line Spectrum | Continuous spectrum with dark lines where light is absorbed
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| CCD | Charged Couple Device
Group of photocells electrons collect where light strikes device
Observed brightness is directly proportioned to the area of a telescope's mirror and to the square of the mirror
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| Atmospheric Blurring | Looks like asphalt on a hot day
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| Schmidt Telescopes | Uses both refracting lens and reflecting mirror
Creates very wide angle views
Best known: Hubble
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| Baseline | Difference between two radio telescopes
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| Spectrograph | Object used to view the spectrum
Consists of a prism, a lens, and a camera
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| Colors of visible spectrum | Red
Orange
Yellow
Green
Blue
Indigo
Violet
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| Infrared Astronomy | SOFIA--Stratospheric Observatory for Infrared Astronomy
IRAS
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| Ultraviolet Astronomy | IUE--International Ultraviolet Explorer
EUVE--Extreme Ultraviolet Explorer
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| X-Ray Astronomy | HEAO--High Energy Astronomy Observatories
AXAF/Chandra
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| Gamma Ray Telescopes | GRO--Gamma Ray Observatory
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| Cosmic Ray Telescopes | COBE--Cosmic Background Explorer
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| Yerkes Observatory | William Bay, Wisconsin
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| Twin Telescopes | Kitt Peak, Arizona & Cerro Tololo, Chile
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