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radiant |
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radiant: see meteor shower meteor shower, increase in the number of meteors observed in a particular part of the sky. The trails of the meteors of a meteor shower all appear to be traceable back to a single point in the sky, known as the radiant point, or radiant. ..... Click the link for more information. . radiant 1. emitted or propagated by or as radiation; radiated 2. Physics (of a physical quantity in photometry) evaluated by absolute energy measurements 3. a point or object that emits radiation, esp the part of a heater that gives out heat 4. Astronomy the point in space from which a meteor shower appears to emanate radiant [′rād·ē·ənt] (astronomy) A point on the celestial sphere through which pass the backward extensions of the trail of a meteor as observed at various locations, or the backward extensions of trails of a number of meteors traveling parallel to each other. A point on the celestial sphere toward which the stars in a moving cluster appear to travel. (physics) Pertaining to motion of particles or radiation along radii from a common point or a small region. A point, region, substance, or entity from which particles or radiations are emitted. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| As your host, the Tenaya provides educational support by sending along an astronomy guide to discuss constellations, radiants, apogees and magnitudes. Erez Goren, Radiants Co-Chairman and Chief Executive Officer, commented, "This quarters revenue growth primarily reflects increased roll outs of the Companys site based systems by existing customers. |
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