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Extraterrestrial Materials
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Details
Most atoms on earth came from the interstellar dust and gas from which the sun and solar system formed. However, in the space science community "extraterrestrial materials" generally refers to objects now on earth that were solidified prior to arriving on earth. To date these fall into a small number of broad categories, namely: (i) Meteorites too large to vaporize on atmospheric entry but small enough to leave fragments lying on the ground, (ii) moon rocks brought back by the Apollo missions, (iii) unmelted micrometeorites typically less than 100 micrometres in diameter collected on earth and in the earth's stratosphere, and (iv) specimens returned from space-borne collection missions like NASA's Long Duration Exposure Facility (LDEF) and the recent Stardust sample return mission. A minor but notable subset of the materials that make up the foregoing collections were also solidified outside of our solar system. These are often referred to as interstellar materials, some of which are also presolar i.e. they predate the formation of our solar system. Each of these types of material is (or should) be treated elsewhere.
Weitere Informationen
- Allgemeine Informationen
- GTIN 09786130294694
- Editor Frederic P. Miller, Agnes F. Vandome, John McBrewster
- Sprache Englisch
- Genre Chemie
- Größe H220mm x B150mm x T5mm
- Jahr 2010
- EAN 9786130294694
- Format Fachbuch
- ISBN 978-613-0-29469-4
- Titel Extraterrestrial Materials
- Untertitel Meteorite, Moon rock, Interplanetary dust cloud, Long Duration Exposure Facility, Stardust (spacecraft), Presolar grains, Abundance of the chemical elements, Noble gas, Cosmic dust, Cosmochemistry
- Gewicht 136g
- Herausgeber Alphascript Publishing
- Anzahl Seiten 80
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