Chapters: Hubble Space Telescope, List of Space Telescopes, Swift Gamma-Ray Burst Mission, Cosmic Origins Spectrograph, X-Ray Telescope, International Ultraviolet Explorer, Orion 1 and Orion 2 Space Observatories, Tauvex, Far Ultraviolet Spectroscopic Explorer, Fresnel Imager, Extreme Ultraviolet Imaging Telescope, Advanced Technology Large-Aperture Space Telescope, Astronomical Netherlands Satellite, Galex, Mssta, Orbiting Astronomical Observatory, Extreme Ultraviolet Explorer, Korea Advanced Institute of Science and Technology Satellite 4. Source: Wikipedia. Pages: 125. Not illustrated. Free updates online. Purchase includes a free trial membership in the publisher's book club where you can select from more than a million books without charge. Excerpt: Hubble Space Telescope - In 1923, Hermann Oberthconsidered along with Robert H. Goddard and Konstantin Tsiolkovsky fathers of modern rocketrypublished ("The Rocket into Planetary Space"), which mentioned how a telescope could be propelled into Earth orbit by a rocket. Lyman Spitzer, "father" of the Space TelescopeThe history of the Hubble Space Telescope can be traced back as far as 1946, when the astronomer Lyman Spitzer wrote the paper "Astronomical advantages of an extraterrestrial observatory." In it, he discussed the two main advantages that a space-based observatory would have over ground-based telescopes. First, the angular resolution (smallest separation at which objects can be clearly distinguished) would be limited only by diffraction, rather than by the turbulence in the atmosphere, which causes stars to twinkle and is known to astronomers as seeing. At that time ground-based telescopes were limited to resolutions of 0.51.0 arcseconds, compared to a theoretical diffraction-limited resolution of about 0.05 arcsec for a telescope with a mirror 2.5 m in diameter. Second, a space-based telescope could observe infrared and ultraviolet light, which are strongly absorbed...More: http: //booksllc.net/?id=40203
|Title:||Ultraviolet Telescopes: Hubble Space Telescope, List of Space Telescopes, Swift Gamma- Ray Burst Mission, Astronomical Ultraviolet Source||Publisher:||Books LLC, Wiki Series|
|Author:||Llc Books, Llc Books|
|No. of Pages:||40|
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