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A meteoroid shown entering the atmosphere, causing a visible meteor and hitting the Earth's surface, becoming a meteorite. A meteoroid (/ ˈ m iː t i ə r ɔɪ d / MEE-tee-ə-royd) [1] is a small rocky or metallic body in outer space.
The Leonids are famous because their meteor showers, or storms, can be among the most spectacular. Because of the storm of 1833 and the developments in scientific thought of the time (see for example the identification of Halley's Comet), the Leonids have had a major effect on the scientific study of meteors, which had previously been thought to be atmospheric phenomena.
The Orionids meteor shower, often shortened to the Orionids, is one of two meteor showers associated with Halley's Comet. The Orionids are so-called because the point they appear to come from, called the radiant , lies in the constellation Orion , but they can be seen over a large area of the sky.
Chondrite – stony meteorites unmodified by melting or differentiation of the parent body; Chondrule – millimetre-scale round grains found in chondrites; Clan – meteorites that are not similar enough to form a group, but are also not too different from each other to be put in separate classes. [1]
Metallic core formation and cooling can be dated by applying the 187 Re/ 187 Os method to iron meteorites. [12] [13] Large scale impact events or even the destruction of the parent body can be dated using the 39 Ar/ 40 Ar method and the 244 Pu fission track method. [14] After breakup of the parent body meteoroids are exposed to cosmic radiation.
A meteor procession occurs when an Earth-grazing meteor breaks apart, and the fragments travel across the sky in the same path. According to physicist Donald Olson , only four occurrences are known: [ 1 ]
"Meteor", song by Changmo; Kamen Rider Meteor, a fictional character in the Japanese television series Kamen Rider Fourze; Meteor, a powerful magic spell in the video game Final Fantasy VII; Meteors, a video game developed by Amusement World, notable for its recognition in Atari, Inc. v. Amusement World, Inc. Meteor, a 1929 play by S. N. Behrman
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