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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 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 In modern usage the term is broadly applied to similar objects that land on the surface of other comparatively large bodies
  • 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
  • Mysterious Spike in Meteors ‘Warrants Serious Investigation’
    The AMS report, published Wednesday, follows a string of meteor sightings across the U S in March—including over Texas, California, and Ohio —which grabbed headlines and attention online
  • 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
  • The UCLA Meteorite Museum - Home
    Our collection includes the main masses of about 40 meteorites and the type specimens of more than 300 meteorites collected from hot deserts; 60 of these are iron meteorites Eighty of these meteorite type specimens are from the state of California
  • Meteorite hunters search Ohio for pieces of 7-ton space rock | AP News
    Meteorite hunters are combing Ohio for fragments of a space rock that streaked across the sky earlier this week
  • A Meteorite Older Than the Earth Just Crashed Into Someone’s House
    A meteorite that plummeted into the roof and living room of a house in McDonough, Georgia, has now been found to be 20 million years older than Earth





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