Difference between revisions 954832 and 955371 on enwikiversity

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Astronomy is performed by location and is subject to local conditions. The shapes and sizes of observatories have changed over time, as have their altitude. The motivations for putting an observatory manned or unmanned at different altitudes has led to a great variety in '''lofting technology'''.
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(contracted; show full)t may not be easily overcome. The lower troposphere is the densest layer of the atmosphere, and some of these issues may be mitigated by using a space gun with a "gun barrel" reaching above it (e.g. a gun emplacement on a mountaintop). A space gun, by itself, is generally not capable of placing objects into stable orbit around the planet, unless the objects are able to perform course corrections after launch.”, from Wikipedia [[w:Space gun|space gun]].
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==Sounding rockets==
[[Image:Black
_  Brant_8_Microcalorimeter_launch.gif IX sounding rocket.jpg|thumb|left|150px|Carried aloft on a Black Brant 9 sounding rocket such as this, the calorimeter arrays observed the diffuse soft X-ray emission from a large solid angle at high galactic latitude. Credit: NASA/Wallops.]]
Additional technology used to benefit astronomy includes [[w:Sounding rockets|sounding rockets]] which may carry gamma-ray, X-ray, ultraviolet, and infrared detectors to high altitude to view individual sources and the background for each wavelength band observed.
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==Aircraft assisted launches==
[[Image:Lockheed_TriStar_launches_Pegasus_with_Space_Technology_5.jpg|thumb|right|200px|Orbital Sciences' L-1011 jet aircraft releases the Pegasus rocket carrying the Space Technology 5 spacecraft with its trio of micro-satellites. Credit: NASA.]]
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