wiki Word: Penumbra |
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PRONOUNCIATION KEY: ( pen-um-brah) |
Definition: The partial or imperfect shadow outside the complete shadow of an opaque body, as a planet, where the light from the source of illumination is only partly cut off. (Latin: paenes "almost, nearly" + umbra "shadow")
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Include any facts, details, examples, good LINCS words or phrases, questions, important info, etc. that might help students understand and remember this vocab word The penumbra is what the lunar eclipse looks like halfway. The color is not really shadow dark, but lesser than that. It looks like this gray and only covers half moon (see image).
- See umbra for other details.
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This is important to know in the real world if you wanted to write a book about the moon/lunar eclipses.
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Cite any sources used for the information or images on this page. Use proper MLA format. Include EXACT web address (preferably with clickable link). Pasachoff, Jay m. Ph.D. Science Explorer: Astronomy. Boston, MA: Pearson Prentice Hall, 2005.
"Umbra." Wikipedia, The Free Encyclopedia. 7 May 2008, 15:04 UTC. Wikimedia Foundation, Inc. 9 May 2008 <http://en.wikipedia.org/w/index.php?title=Umbra&oldid=210818410>. |
video example of penumbra on a lunar eclipse.
Orginal Author:
| Name (First Name and Last Initial) | Class Period |
| Taylor Norman | 7th |
Status:
| Date | Status |
| 4-29-08 | started |
| completed | |
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