Temperature (K) |
Element Condensing |
Form of Condensate |
Comments |
2000 |
None |
------ |
Gaseous Nebula |
1600 |
Al, Ti, Ca |
Oxides (Al2O3, CaO) |
-------- |
1400 |
Fe, Ni |
Nickel-Iron grains |
Planetary cores, iron meteorites |
1300 |
Si |
Silicates and ferrosilicates minerals [enstatite, MgSiO3;
pyroxene, CaMgSi2O6; olivine, (Mg,Fe)2SiO4]
in form of microscopic grains |
First stony material, combined to form meteorites |
300 |
C |
Carbonaceous Grains |
Forms black, carbonaceous soils and rocks |
less than 300 |
H, N |
Ice particles (water, H2O; ammonia, NH3; methane,
CH4) |
Large amounts of ice |