f10_oct07 - Airborne Telescopes (sub-orbital) NASAs Kuiper...

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Ast 307 - Oct. 7 , 2010 Introducing the Solar System, ch. 7 Airborne Telescopes (“sub-orbital”) For certain applications, it is sufficient to just get about the water vapor layer (troposphere). NASA’s Kuiper Airborne Observatory (KAO) operated from 1975-1995; it contained a 36-inch telescope looking out through an open port; the telescope was pointed by means of direction of flight! But what made KAO special was what went on inside … hands-on space science The Stratospheric Observatory for Infrared Astronomy (SOFIA) follows in the legacy of these observatories Articles in October 2010 “Sky and Telescope” by L. Keller & Wolf, or July/August 2010 issue of UT’s “StarDate”
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High-Altitude Balloon Experiments BOOMERANG - An example of a balloon-borne experiment; measured the anisotropy of the CMBR (related to cosmology and the formation of “structure” in the early Universe. Hubble Space Telescope (HST) A major reason to put a large optical telescope into space is to obtain high angular resolution images. Some UV and IR Telescopes For ultraviolet and most infrared observations we need a telescope above the Earth’s atmosphere. FUSE - the Far Ultraviolet Spectroscopic Explorer (1999-2007) Spitzer Space Observatory - the Infrared “Hubble” (2003 - the present) The James Webb Space Telescope Caution: Not built yet!!! It will primarily operate in the near and mid-infrared, where most of the radiation comes from star forming regions and the distant (“high redshift”) universe.
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X-rays will pass right through a mirror; they can only be focused at shallow angles (“grazing incidence”) X-Ray Telescopes
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f10_oct07 - Airborne Telescopes (sub-orbital) NASAs Kuiper...

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