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umbra |
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umbra: see eclipse eclipse [Gr.,=failing], in astronomy, partial or total obscuring of one celestial body by the shadow of another. Best known are the lunar eclipses, which occur when the earth blocks the sun's light from the moon, and solar eclipses, occurring when the moon blocks the
..... Click the link for more information. ; sunspots sunspots, dark, usually irregularly shaped spots on the sun's surface that are actually solar magnetic storms. The Chinese recorded dark features on the sun seen with the naked eye in 28 B.C. ..... Click the link for more information. . umbra 1. a region of complete shadow resulting from the total obstruction of light by an opaque object, esp the shadow cast by the moon onto the earth during a solar eclipse 2. the darker inner region of a sunspot umbra [′əm·brə] (astronomy) The dark, central region of a sunspot. (optics) That portion of a shadow which is screened from light rays emanating from any part of an extended source. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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No references found | aiiir: "Ad umbras eorum, qui desperatis amoribus sponte sibi mortem consciuerunt, quorum numerum sese aucturum pollicetur, si tamen quispiam mori possit, qui amore tabidus iam umbra sui est, non uiuus homo. Actuosa porto lampade discute mentium umbras et grassantis nequitiae conscia, scrutata ingeniorum fibras, phagedaena animorum ulcera tuis balsamo et igne compesce. Caritatem vos puerum docete, exules pressi a trucibus tyrannis, filii a duris patribus relicti veris in annis; vos, sertes cani, hospitio carentes, debiles, aegri, invalidi per umbras, vos quibus nullum auxilium dat acris publica mensa. |
umbras |
UMBP UMBR umbra umbra umbra umbra umbra Umbra and Penumbra Umbra and Penumbra Umbra and Penumbra Umbra of the Earth's Shadow Umbra tree Umbraculiferous Umbraculiform umbrae umbrae umbrae umbrage umbrage umbrage umbrage umbrageous umbrageous umbrageous umbrageously umbral umbral umbral Umbral Missions Blocking Radiating Astronomical Sources Umbral Plains umbras UmbrateUmbratic Umbratile Umbratious Umbre Umbrel Umbrela Umbrela Umbrela umbrella umbrella umbrella umbrella Umbrella aerial Umbrella ant Umbrella antenna umbrella arum Umbrella Biohazard Countermeasure Services umbrella bird umbrella bird Umbrella Cell Umbrella Cockatoo Umbrella Cockatoo Umbrella Corporation umbrella dome Umbrella Effect umbrella fern umbrella filter Umbrella fund Umbrella funds | |||||||
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