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penumbra

penumbra (pinŭm'bru) [key]: see eclipse; sunspots.

The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2007, Columbia University Press. All rights reserved.

More on penumbra from Infoplease:

What does it mean? penumbra - penumbra -- Listen to the pronunciation: WAV format or AU format During an eclipse, the earth's ...
sunspots - sunspots sunspots, dark, usually irregularly shaped spots on the sun's surface that are ...
eclipse - eclipse eclipse [Gr.,=failing], in astronomy, partial or total obscuring of one celestial body by ...
penumbra: meaning and definitions - penumbra: Definition and Pronunciation
Suggestions for spelling of encyclopedia/penumbra - The Infoplease spelling checker combines spelling help with our dictionary and thesaurus

See more Encyclopedia articles on: Astronomy: General

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