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fireball |
Also found in: Dictionary/thesaurus, Legal, Acronyms, Idioms, Wikipedia, Hutchinson | 0.01 sec. |
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fireball, very bright meteor meteor, appearance of a small particle flying through space that interacts with the earth's upper atmosphere. While still outside the atmosphere, the particle is known as a meteoroid. Countless meteoroids of varying sizes are moving about the solar system at any time.
..... Click the link for more information. leaving a trail in the sky that can remain visible for several minutes; often a distinct sound, perhaps caused by very low frequency radio waves, is associated with it. A bolide (bō`līd) is a fireball that explodes in the air because of thermal stresses created when it passes through the earth's atmosphere. fireball 1. a ball-shaped discharge of lightning 2. the bright spherical region of hot ionized gas at the centre of a nuclear explosion 3. Astronomy another name for bolide fireball [′fīr‚bȯl] (astronomy) A bright meteor with luminosity equal to or exceeding that of the brightest planets. (nucleonics) The luminous sphere of hot gases that forms a few millionths of a second after a nuclear explosion. 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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