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meteorite    音标拼音: [m'itiɔr,ɑɪt]
n. 陨星

陨星

meteorite
n 1: stony or metallic object that is the remains of a meteoroid
that has reached the earth's surface


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  • Meteorite - Wikipedia
    Meteorites have traditionally been divided into three broad categories: stony meteorites that are rocks, mainly composed of silicate minerals; iron meteorites that are largely composed of ferronickel; and stony-iron meteorites that contain large amounts of both metallic and rocky material
  • Meteorite | Definition, Types, Identification, Facts | Britannica
    Meteorite, any fairly small natural object from interplanetary space—i e , a meteoroid—that survives its passage through Earth’s atmosphere and lands on the surface In modern usage the term is broadly applied to similar objects that land on the surface of other comparatively large bodies
  • Meteors and Meteorites - NASA Science
    Scientists estimate that about 48 5 tons (44 tonnes or 44,000 kilograms) of meteoritic material falls on Earth each day Almost all the material is vaporized in Earth's atmosphere, leaving a bright trail fondly called "shooting stars " Several meteors per hour can usually be seen on any given night
  • How to Identify Meteorites With Pictures – Geology In
    To tell if a rock is a meteorite, start by examining its physical features and characteristics Many meteorites are magnetic due to their iron-nickel content, but there are non-magnetic meteorites as well, making pictures of these invaluable for identification
  • Meteors and Meteorites: Facts - NASA Science
    When a meteoroid survives its trip through the atmosphere and hits the ground, it’s called a meteorite Meteorites typically range between the size of a pebble and a fist
  • Meteorite - National Geographic Society
    The most famous CV meteorite is probably the Allende meteorite, which fell to Earth near Pueblo de Allende, Chihuahua, Mexico, in 1969 This meteorite fell as part of a fireball and is one of the most studied meteorites in the world
  • Meteorite Identification - The Meteorite Exchange, Inc.
    A good place to start is with helpful information and meteorite identification tests you can do to help answer your question “Is it a meteorite?” And if it is a meteorite, the next thing people want to know is it’s meteorite value
  • Meteorite Map — Meteorites, Fireballs Impact Craters
    Explore 32,000+ meteorite landings, 800+ detected fireballs, and 189 confirmed impact craters on an interactive map Data from NASA, JPL, and the Meteoritical Society
  • Météorite — Wikipédia
    Une a météorite est un objet solide d'origine extraterrestre qui n'a pas perdu toute sa masse en traversant l'atmosphère de la Terre, et qui en a atteint la surface solide sans être entièrement volatilisé lors de l' impact
  • Meteorite Identification: Have you found a space rock?
    If you would like to learn more about meteorite identification, and discover how to perform some other simple tests at home, please visit The Aerolite Guide to Meteorite Identification Meteorites are very valuable both to the scientific community and to enthusiastic collectors





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