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{{Orphan|date=February 2009}}
{{Orphan|date=February 2009}}
In [[planetary science]], any material that condenses at high temperatures is called '''refractory'''<ref>{{cite web
In [[planetary science]], any material that condenses at high temperatures is called '''refractory'''<ref>{{cite book
|title=Solar system evolution: a new perspective : an inquiry into the chemical composition, origin, and evolution of the solar system
|title=Glossary for Planetary Science Research Discoveries
|url=http://books.google.com/books?id=R3QKq4K0jIEC&vq=refractory&dq=refractory+ice+rock+gas&hl=ru&source=gbs_navlinks_s
|url=http://www.psrd.hawaii.edu/PSRDglossary.html#refractory
|publisher=Planetary Science Research Discoveries
|publisher=Cambridge University Press
|year=2001
|pages=73–75
|last=Taylor
|first=Stuart Ross
|isbn= 9780521641302
}}</ref>. The opposite of refractory is [[Volatiles|volatile]].
}}</ref>. The opposite of refractory is [[Volatiles|volatile]].


The refractory group includes elements and compounds like metals and [[silicates]] which make up the bulk of the mass of the [[Terrestrial Planets]], [[S-type asteroid|S]], [[M-type asteroid|M]] and [[[E-type asteroid|E]]-type asteroids. A fraction of the mass of other [[asteroids]] and [[Trans-Neptunian object]]s.
The refractory group includes elements and compounds like metals and [[silicates]] which make up the bulk of the mass of the [[Terrestrial Planets]], [[S-type asteroid|S]], [[M-type asteroid|M]] and [[E-type asteroid|E]]-type asteroids. A fraction of the mass of other [[asteroids]] and [[Trans-Neptunian object]]s.


==References==
==References==

Revision as of 17:08, 29 August 2009

In planetary science, any material that condenses at high temperatures is called refractory[1]. The opposite of refractory is volatile.

The refractory group includes elements and compounds like metals and silicates which make up the bulk of the mass of the Terrestrial Planets, S, M and E-type asteroids. A fraction of the mass of other asteroids and Trans-Neptunian objects.

References

  1. ^ Taylor, Stuart Ross (2001). Solar system evolution: a new perspective : an inquiry into the chemical composition, origin, and evolution of the solar system. Cambridge University Press. pp. 73–75. ISBN 9780521641302.