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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.
- Chondrule
Chondrules in the Carbonaceous Chondrite NWA 13887. A...
- Meteorite (Disambiguation)
A meteorite is an object that originates in outer space and...
- Meteoroid
A meteorite is a portion of a meteoroid or asteroid that...
- Meteorite Classification
In meteoritics, a meteorite classification system attempts...
- Esquel
Esquel is a meteorite found near Esquel, a Patagonian town...
- Hoba Meteorite
The Hoba (/ ˈ h oʊ b ə / HOH-bə) meteorite is named after...
- Iron meteorite
Iron meteorites, also called siderites or ferrous...
- Chondrule
A meteor is what you see when a space rock falls to Earth. It is often known as a shooting star or falling star and can be a bright light in the night sky, though most are faint. A few survive long enough to hit the ground. That is called a meteorite, and a large one sometimes leaves a hole in the ground called a crater.
When meteoroids enter Earth’s atmosphere, or that of another planet, at high speed and burn up, they’re called meteors. When you see lots if meteors, you’re watching a meteor shower. When a meteoroid survives its trip through the atmosphere and hits the ground, it’s called a meteorite.
Summary. Iron meteorites are thought to be samples of metallic cores and pools that formed in diverse small planetary bodies. Their great diversity offers remarkable insights into the formation of asteroids and the early history of the solar system.
Stony meteorites, the most common type of meteorite, are generally composed of approximately 75 – 90% silicon-based minerals, 10 – 25% nickel-iron alloy, and trace amounts of iron sulfide. Stony meteorites account for ~94% of observed meteorite falls, and can be divided into two distinct categories: Chondrites and achondrites.
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