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Telescopes

QuestionAnswer
Magnification Best known Least important
Light Gathering Power Most important
Resolution Most difficult to understand Ability to see fine detail Scopes resolution is dependent on its aperture
MMT Multiple Mirror Telescopes
Blue Shifted Object coming toward you
Red Shifted Object going away from you
Continuous Spectrum Unbroken band of colors Source sends out light of all visible wavelengths Glowing Solid Glowing Liquid Hot compressed gases inside a star
Spectroscope Separates starlight into its colors to identify different wavelengths
Visible Spectrum Band of colors when starlight is separated
Bright Line Spectrum Emission Spectrum Comes from chemical elements when they are in the form of a glowing thin gas or vapor
Dark Line Spectrum Continuous spectrum with dark lines where light is absorbed
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
Atmospheric Blurring Looks like asphalt on a hot day
Schmidt Telescopes Uses both refracting lens and reflecting mirror Creates very wide angle views Best known: Hubble
Baseline Difference between two radio telescopes
Spectrograph Object used to view the spectrum Consists of a prism, a lens, and a camera
Colors of visible spectrum Red Orange Yellow Green Blue Indigo Violet
Infrared Astronomy SOFIA--Stratospheric Observatory for Infrared Astronomy IRAS
Ultraviolet Astronomy IUE--International Ultraviolet Explorer EUVE--Extreme Ultraviolet Explorer
X-Ray Astronomy HEAO--High Energy Astronomy Observatories AXAF/Chandra
Gamma Ray Telescopes GRO--Gamma Ray Observatory
Cosmic Ray Telescopes COBE--Cosmic Background Explorer
Yerkes Observatory William Bay, Wisconsin
Twin Telescopes Kitt Peak, Arizona & Cerro Tololo, Chile
Created by: achildofgod400
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