Composition by volume. 42% molecular oxygen; 29.0% sodium; 22.0% hydrogen
; 6.0% helium; 0.5% potassium; Trace amounts of argon, nitrogen, carbon dioxide
, water vapor, xenon, krypton, and neon. Mercu...
Large asteroids were once molten and therefore became spherical, but small
asteroids were never ... Processed meteorites with high metal content probably
Apr 26, 2010 ... Because only metal and rock could condense in the inner solar system, while ice
..... Processed meteorites with high metal content probably are ...
www.ucolick.org/~max/Astro18-2014/Lectures/Lecture15 2014 SmallSolarSysObjects/Lecture15_2014_SmallSolarSystemObjects_v2_sm.pdf
May 27, 2014 ... perturbations probably ..... they have a higher metal content than terrestrial rocks
.... Processed meteorites come from large objects in the.
Little evidence for large-scale isotopic heterogeneity of this type has been found
in bulk ... New data for the Mo isotopic composition of iron meteorites, chondrites
and ... Thus, selection of isotopes for fractionation correction probably is not the ...
also consistent with the observation that enstatite chondrites and metal from an ...
Processed meteorites apparently once were part of a large object that “processed
” the original material of the solar nebula into another form. ... so that the heavier
metals sank to the center and the lighter rocks rose to the surface. ... Resemble
the terrestrial planet cores in composition.
Irons - meteorites composed almost entirely of nickel and iron. .... These objects
have been much less processed than stoney meteorites than contain no metals.
Angular momentum: mostly in planets (due to large distances). • Barycenter:
close to .... Silicate – metal-rich classes in center and inner belt. – Scenario: ...
Differentiated meteorites: contain processed material, i.e. were part of a larger ...
Widmanstätten pattern in iron meteorites: Ni content determines crystalisation. →
Aug 9, 1994 ... probably suffer large random changes in collisions with smaller objects. The net
... exposed on the surface of the planet and processed by micro- meteoroid ....
silicate-rich, metal-poor crust and mantle of the planet. They are ... content may
be useful in distinguishing mercurian meteorites from asteroidal ...
This high meteorite concentration is linked to the long-standing hyperaridity of the
area, the stability of the surface pebbles .... place is probably more humid than
the San Juan area due to its ... measurements of chemically processed blank
yield ratios in the order of ..... (the other half has a metal content that is high