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Giant-impact hypothesis - Wikipedia


The giant-impact hypothesis, sometimes called the Big Splash, or the Theia Impact suggests ... The more volatile materials that were emitted during the collision probably .... It is noteworthy that ...

Exam 2 Chapters 7-11 Flashcards


Nov 13, 2011 ... Temperatures on Jupiter and Saturn are too high for methane to condense ..... Processed meteorites with high metal content probably are ...

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


Mar 11, 2015 ... Processed meteorites with high metal content probably are ... science, what was the approximate chemical composition of the solar nebula?

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


Planet crossers do not have very long lifetime due to the high probability to become ... 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 ...

Meteorites - Astronomy Notes


Aug 26, 2016 ... The primitive meteorites are probably the most important ones because ... put the meteorites into two groups: primitive and processed (not primitive). ... Not only does their high density and metal composition set them apart ...

Metalliferous asteroids as potential sources of precious metals


Oct 25, 1994 ... ... and chemical ana- lyses of fragments of asteroids (meteorites) suggest hat there may be a gold mine, ... Suitable metallic asteroids could be processed in their entirety. Statistically, ..... because (1) some asteroids probably contain the high con- .... ordinary chondrites and the metal's content of Au and PGM.

Unlocking the zinc isotope systematics of iron meteorites


Jun 6, 2014 ... Based on the high Zn concentration and δ<sup>66</sup>Zn ≈ 0 determined for a ... similar to the Zn isotope composition inferred for the bulk silicate Earth ... Metal samples of six group IIAB and six IIIAB iron meteorites were .... Meteorite mass that corresponds to the meteorite solution aliquot, which was processed for ...

Ararki (L5) chondrite: The first meteorite find in Thar Desert of India


like regmaglypts are not recognizable, probably due to weathering. ... filled with metal and graphite (Fig. ... (30%, with Fs contents 23 mol%) and high metal content (5 to ..... opposite corners were processed for cosmic-ray heavy nuclei tracks.

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


New data for the Mo isotopic composition of iron meteorites, chondrites and ... A major concern for high-precision isotope ratio measurements is ... Thus, selection of isotopes for fractionation correction probably is not the ... This interpretation is also consistent with the observation that enstatite chondrites and metal from an ...

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 ... Meteorite: any piece of rock that fell to the ground from space, whether ... Jupiter s gravity perturbations probably ... High reflectance: S (silicates, rock). – Meteorites .... a meteorite? – they have a higher metal content than terrestrial rocks .... Processed meteorites come from large objects in the inner Solar ...

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Astronomy Chapter Nine - ProProfs Quiz


Why do asteroids and comets differ in composition? A. Asteroids formed ... Processed meteorites with high metal content probably are. A. Leftover chunks of rock ...

Chapter 10 | SixDay Science


Solar System Fluff The basics of meteorites, asteroids, and comets are introduced ... The primitive meteorites are probably the most important ones because they hold ... put the meteorites into two groups: primitive and processed (not primitive). ... Not only does their high density and metal composition set them apart from ...

The Outer Planets: Meteorites


Processed meteorites apparently once were part of a ... so that the heavier metals sank to the center and the lighter rocks rose to the surface. ... Made mostly of high -density iron and nickel mixed with smaller amounts of other metals; Resemble the terrestrial planet cores in composition.