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meteor
(Encyclopedia)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 meteor...meteor shower
(Encyclopedia)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, kn...meteoroid
(Encyclopedia)meteoroid: see meteor.falling star
(Encyclopedia)falling star: see meteor.shooting star, in astronomy
(Encyclopedia)shooting star, in astronomy: see meteor. ...fireball
(Encyclopedia)fireball, very bright meteor 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 ...astrobleme
(Encyclopedia)astrobleme ăsˈtrōblēmˌ [key], large, circular structure ranging from c.1⁄2 mi to 40 mi (.8–64 km) in diameter. Astroblemes are found at numerous places on the earth's surface, e.g., Meteor, o...Draconids
(Encyclopedia)Draconids: see meteor shower.Geminids
(Encyclopedia)Geminids: see meteor shower.Aquarids
(Encyclopedia)Aquarids: see meteor shower.Browse by Subject
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