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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
  • A Rare Meteorite Found in the Sahara Desert Offers Evidence of a Lost . . .
    A slice of the rare angrite meteorite NWA 12774 shows olivine crystal (green), a mineral rich in magnesium John Kashuba A 4 5-billion-year-old meteorite found in the Sahara Desert could be
  • 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
  • Meteorite heard in Massachusetts landed right in the middle of Cape . . .
    The meteorite that caused a sonic boom heard throughout Massachusetts on Saturday landed "right in the middle of Cape Cod Bay," NASA researchers say
  • 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
  • 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
  • Types of Meteorites: Iron, Stone, Stony-Iron, Lunar, Martian
    There are several different types of meteorites! Learn about them in this article by Geoffrey Notkin, meteorite hunter
  • About Meteorites
    There are over 45 different types of meteorite, but they can be broadly categorized into stony meteorites, iron meteorites, and stony-iron meteorites based on their general composition
  • Meteorite facts – Buseck Center for Meteorite Studies
    Learn more about meteorite locations, and where meteorites are found, here! How do we know whether a meteorite is a new, distinct meteorite or part of an older find? Detailed microscopic, chemical and mineralogical analyses are required to uniquely identify and classify a meteorite
  • Meteorite Information | Learn About Meteorites, Meteorite Hunting and . . .
    Meteorites are naturally occurring objects that originate in space and survive a fall to the ground through Earth's atmosphere Most are remnants of asteroids or possibly comets However, a few have been shown to be pieces of Moon or Mars that were launched into space by an impact event





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