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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
  • Cannonball-size meteorite crashes through roof of Texas home as . . .
    A suspected space rock, around the size of a cantaloupe, was found in the bedroom of a Houston home after crashing through the building's roof It is likely a fragment of one of several "fireball
  • 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
  • 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
  • Meteorite - National Geographic Society
    Scientists have divided these meteorites into three main types: stony, iron, and stony-iron Each of these types has many sub-groups Stony Meteorites Stony meteorites are made up of minerals that contain silicates —material made of silicon and oxygen They also contain some metal— nickel and iron
  • Suspected meteorite crashes into Houston home, officials say
    A suspected meteorite crashed into a home in suburban Houston on Saturday night, according to local residents and officials Speaking to the local news outlet KHOU11 over the weekend, Spring area
  • 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
  • Types of meteorites - Natural History Museum
    There are three main groups of meteorite: iron meteorites, stony-iron meteorites and stony meteorites They differ in their amount of iron-nickel metal they contain and what they reveal about the early solar system





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