ashen light

McGraw-Hill Science & Technology Dictionary:

ashen light

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(′ash·ən ¦līt)

(astronomy) A faint, luminous glow sometimes observed over the right side of Venus when it is close to inferior conjunction, probably due to electrical disturbances in the ionosphere of Venus.

ashen light

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A faint glow sometimes visible on the unlit side of Venus when it is in the crescent phase. Its cause is uncertain but may be similar to that of terrestrial airglow.

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McGraw-Hill Science & Technology Dictionary McGraw-Hill Dictionary of Scientific and Technical Terms. Copyright © 2003, 1994, 1989, 1984, 1978, 1976, 1974 by McGraw-Hill Companies, Inc. All rights reserved. Read

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Wiley Book of Astronomy Copyright © 2004 by Wiley-Blackwell. Wiley and the Wiley logo are registered trademarks of John Wiley & Sons, Inc. and/or its affiliates in the United States and other countries. Used here by license. Read