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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
  • Meteorite hunters search Ohio for pieces of 7-ton space rock | AP News
    Meteorite hunters scour Ohio for fragments of 7-ton space rock that crashed into Earth 1 of 3 | A suspected meteor that fell from the sky over the Cleveland area shook homes and startled residents who heard a boom that some compared to an explosion People hundreds of miles away reported seeing the bright fireball at about 9 a m Tuesday
  • 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
  • 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
  • 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
  • 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
  • Heres our how-to guide for observing a meteorite with a microscope | Space
    I'll take you through the process of identifying and studying a genuine meteorite sample from the comfort of your own home and make personal recommendations for gear that I've found useful for
  • Meteorite - Education
    The best-preserved impact crater in the world is the Barringer Meteorite Crater, near the U S town of Winslow, Arizona There, more than 50,000 years ago, a meteorite weighing about 270,000 metric tons (300,000 tons) slammed into Earth with the force of 2 5 million tons of TNT
  • 3. 1 Meteorites: Fossils from the Sky
    3 1 Meteorites: Fossils from the Sky Any fragment of interplanetary debris that survives its fiery plunge through Earth’s atmosphere is called a meteorite Unlike rocks collected by astronauts or robotic spacecrafts, such as the Apollo Moon rocks or rocks and regolith from asteroid Bennu, meteorites come to us free of charge—they literally fall from the sky Meteorites fall only very
  • What to know about finding meteorite fragments after Ohio asteroid
    A six-foot, six-ton asteroid passed over northeastern Ohio on March 17, bringing the possibility of fragmented pieces scattered across a wide area





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