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Cosmic dust


Another source is the meteorites, which contain stardust extracted from them (see below). ... The large orbital velocities of dust particles in interplanetary space ( typically ... composition of the...

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.

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.

Portales Valley: Petrology of a metallic-melt meteorite breccia


crystallized from P-bearing liquids, but most probably formed by solid-state reaction at ~975–725 °C. Phosphate-forming ... exhibits a large variation in metal content in different ... features of PV suggest that it was processed in unusual ways.

Found A Meteorite? (Meteorite Identification Information & Help ...


If the answer to this question is "NO" then it is probably not a meteorite. Because of their high iron content, the vast majority of meteorites will attract a ... It may look like a lump of rusty metal and possibly flake at the surface. ... The iron we see and use in our everyday lives, has to be manufactured and processed fro...

Stable chromium isotopic composition of meteorites and metal ...


We report high precision mass dependent Cr isotope variations in meteorites. .... Chromium concentration and Cr isotopic composition for metal and silicate ... any separation chemistry and the unspiked and spiked samples were processed in the ..... This is probably due the greater tendency of crystalline MgO to dissolve Cr , ...

Exposure History of Four Lunar Meteorites


For example, the metal content for the 8 primitive chondrite groups and the ... Helium Isotopic Ratios in Native and Processed Metals. ... probably less than 1 x l0~ years, which agrees with low thermoluminescence and almost no cosmic ray tracks. ... Yamato 82192 and 82193: High `°Be activities indicate that both meteorites ...

Unlocking the zinc isotope systematics of iron meteorites


Jun 6, 2014 ... 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 Zn ..... the effective metal–silicate Zn partition coefficient at high Si contents. ... This probably reflects that the isotopic differences between metal ...

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.

Origin of HED Meteorites from the Spalling of Mercury - InTech


Mar 23, 2012 ... and Fe-metal content, agree with heat flux measurements (Hofmeister ... The present paper considers how more processed meteorites (the ...

Helpful Resources

Astronomy Final flashcards | Quizlet


They were probably formed by tectonic stresses when the entire planet shrank as its core cooled. .... Processed meteorites with high metal content probably are.

Meteorites - Astronomy Notes


May 13, 2013 ... 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  ...

Astronomy Chapter Nine - ProProfs Quiz


1. Rather than being a planet, Pluto is really just a large member of .... 14. Processed meteorites with high metal content probably are ...

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 ...

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 ...