astrodome

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astrodome

[′as·trō‚dōm]
(aerospace engineering)
A transparent dome in the fuselage or body of an aircraft or spacecraft intended primarily to permit taking celestial observations in navigating. Also known as astral dome; navigation dome.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

astrodome

A transparent bubble, calibrated for refraction, mounted on top of an aircraft fuselage through which celestial observations are taken. Also called a navigation dome or an astral dome.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved