
n.
A transparent dome on the top of an aircraft, through which celestial observations are made for navigation.
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American Heritage Dictionary:
as·tro·dome |

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McGraw-Hill Dictionary of Aviation:
astrodome |
Rhymes:
astrodome |
Wikipedia on Answers.com:
Astrodome (aviation) |
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An astrodome is a hemispherical transparent dome fitted in the cabin roof of an aircraft to allow the use of a sextant during astro-navigation.
Prior to the introduction of electronic means of navigation the only way to fix an aircraft's position at night was by taking star sights using a sextant in the same manner as that used by marine navigators for hundreds of years on board ships. To do this requires a 360-degree view of the horizon and the astrodome was devised to allow an uninterrupted view of the sky from horizon to horizon.
Astrodomes were prominent on Royal Air Force multi-engined aircraft of the Second World War, and on aircraft ordered by them, such as the Liberator and Dakota, as a considerable part of their operations and other flying were carried out at night.
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![]() | American Heritage Dictionary. The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved. Read more |
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![]() | McGraw-Hill Dictionary of Aviation. An Illustrated Dictionary of Aviation.. Copyright © 2005 by McGraw-Hill Companies, Inc. All rights reserved. Read more |
| Rhymes. Oxford University Press. © 2006, 2007 All rights reserved. Read more | ||
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![]() | Wikipedia on Answers.com. This article is licensed under the Creative Commons Attribution/Share-Alike License. It uses material from the Wikipedia article Astrodome (aviation). Read more |
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