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Mercury (planet)


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...

Astronomy Chapter Nine - ProProfs Quiz


Large asteroids were once molten and therefore became spherical, but small asteroids were never ... Processed meteorites with high metal content probably are.

Astronomy Test Answers Flashcards


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 ...

Lecture 15: Small Solar System Bodies - Lick Observatory

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.

Efficient mixing of the solar nebula from uniform Mo isotopic ... - Nature


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 ...

The Outer Planets: Meteorites


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.

Meteorites - Vanderbilt University


Irons - meteorites composed almost entirely of nickel and iron. .... These objects have been much less processed than stoney meteorites than contain no metals.

Minor Bodies in the Planetary System - Max Planck Institute for Solar ...


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. → zones ...

Recognizing mercurian meteorites - Wiley Online Library


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 ...

The densest meteorite collection area in hot deserts: The San Juan ...


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 enough to.

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Exam 2 Chapters 7-11 Flashcards


Nov 13, 2011 ... A large gap, visible from Earth, produce by an orbital resonance with the moon ..... Processed meteorites with high metal content probably are ...

TEST 2 - Astronomy 170b2 with Gabor at University of Arizona ...


Mar 11, 2015 ... (For example, if you were 5 feet tall before, you now are 10 feet tall.) By what .... Processed meteorites with high metal content probably are.

Meteorites - Astronomy Notes


Aug 26, 2016 ... Large meteors and asteroids can make the much brighter "fireballs" that may even ... will group the meteorites into three basic types based on their composition. ... The primitive meteorites are probably the most important ones because ... Not only does their high density and metal composition set them apart  ...