Views of the Solar System: Meteoroids and Meteorites
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Scan day: 17 February 2014 UTC
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Description: General information, data, pictures. Also features educator's guides to micrometeorites, impact craters and space debris.
Copyright © 1995-2012 by Rosanna L. Hamilton. All rights reserved. Meteoroids & Meteorites The term meteor comes from the Greek , meaning phenomenon in the sky. It is used to describe the streak of light produced as matter in the solar system falls into Earth's atmosphere creating temporary incandescence resulting from atmospheric friction. This typically occurs at heights of 80 to 110 kilometers (50 to 68 miles) above Earth's surface. The term is also used loosely with the word meteroid referring to the particle itself without relation to the phenomena it produces when entering the Earth's atmosphere. A meteoroid is matter revolving around the sun or any object in interplanetary space that is too small to be called an asteroid or a comet. Even smaller particles are called micrometeoroids or cosmic dust grains, which includes any interstellar material that should happen to enter our solar system. A meteorite is a meteoroid that reaches the surface of the Earth without being completely vaporized.
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| Page title: | Meteoroids and Meteorites |
| Keywords: | meteor, meteorite, meteoroid, meteoron, atmosphere, Antarctica, cosmic dust, vaporize, stony, chondrites, achondrites, iron, pallasites, carbonaceous, martian |
| Description: | The term meteor comes from the Greek meteoron, meaning phenomenon in the sky. |
| IP-address: | 75.126.184.126 |
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| Date | Creation Date: 16-jun-1999 Expiration Date: 16-jun-2015 |