
Meteorite - Wikipedia
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, …
Meteorite | Definition, Types, Identification, & Facts | Britannica
2025年3月23日 · 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 …
Meteors and Meteorites - NASA Science
2025年2月14日 · Meteorites When a meteoroid survives a trip through the atmosphere and hits the ground, it’s called a meteorite. Alex Meshik and Morgan Nunn Martinez collect a meteorite …
How a 'mudball' meteorite survived space to land in the jungles …
20 小时之前 · The Murchison meteorite fall occurred just two months after the Apollo 11 mission. The recovered pieces showed that evidence of having been altered by liquid water on its …
Meteors and Meteorites: Facts - NASA Science
2025年2月14日 · When a meteoroid survives its trip through the atmosphere and hits the ground, it’s called a meteorite. Meteorites typically range between the size of a pebble and a fist. …
Meteorite Identification: Have you found a space rock? - Geology.com
Identification of a genuine meteorite takes a practiced eye, but there are a number of simple tests that can help hopeful rock hounds determine if they have stumbled across a rare space rock, …
Types of Meteorites: Iron, Stone, Stony-Iron, Lunar, Martian - Geology.com
There are several different types of meteorites! Learn about them in this article by Geoffrey Notkin, meteorite hunter.
Meteorite - National Geographic Society
2024年4月4日 · More than 60,000 meteorites have been found on Earth. Scientists have divided these meteorites into three main types: stony, iron, and stony-iron. Each of these types has …
Meteorites and Craters - NASA
2016年3月8日 · Do you think you might have found a meteorite? We’ll be happy to help you - scroll down for more information and a worksheet before you contact us. • How do we know …
Aguas Zarcas: "Mudball" Meteorite Survived 2 Million Years in …
2 天之前 · The Aguas Zarcas meteorite, a carbonaceous chondrite, surprisingly orbited for 2 million years without collision, challenging the fragile "mudball" reputation.