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| {{Orphan|date=February 2009}} | {{Orphan|date=February 2009}} | ||
| In ], any material that |
In ], any material that condenses at high temperatures is called '''refractory'''<ref>{{cite web | ||
| |title=Glossary for Planetary Science Research Discoveries | |title=Glossary for Planetary Science Research Discoveries | ||
| |url=http://www.psrd.hawaii.edu/PSRDglossary.html#refractory | |url=http://www.psrd.hawaii.edu/PSRDglossary.html#refractory | ||
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| }}</ref>. The opposite of refractory is ]. | }}</ref>. The opposite of refractory is ]. | ||
| The refractory group includes elements and compounds like metals and |
The refractory group includes elements and compounds like metals and ] which make up the bulk of the mass of the ], ], ] and ]-type asteroids. A fraction of the mass of other ] and ]s. | ||
| ==References== | ==References== | ||
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In planetary science, any material that condenses at high temperatures is called refractory. 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 ]-type asteroids. A fraction of the mass of other asteroids and Trans-Neptunian objects.
References
- "Glossary for Planetary Science Research Discoveries". Planetary Science Research Discoveries.
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