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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
    [1] A meteorite is a rock that originated in outer space and has fallen to the surface of a planet or moon [2] When the original object enters the atmosphere, various factors such as friction, pressure, and chemical interactions with the atmospheric gases cause it to heat up and radiate energy
  • 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 - 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
  • 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
  • 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
  • Meteor explodes off coast of Massachusetts, causing loud boom
    NASA said the energy released when the meteor broke up was equivalent to about 230 tons of TNT It was heard around 2:11 p m Eastern Time, with people describing a sudden bang that rattled
  • I think I found a meteorite. How can I tell for sure?
    Meteorites are fragments of rock or metal that fall to Earth from space They are very rare, but many people find unusual rocks or pieces of metal and wonder if they might have found a meteorite
  • 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 that caused Cape Cod boom may have landed in bay: NASA - MSN
    Meteorite that caused a boom over Cape Cod may have landed in the bay, NASA says - With the meteorite falling into 100 feet of water and likely having magnetic properties, a space rock hunter can
  • Meteorites :: Meteoritical Society
    A meteorite is an object which has fallen to Earth from space Meteors are the flashes of light ('falling stars') produced when meteorites pass through Earth's atmosphere





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