Search Results - "BLAND, Philip A."
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MESOSCALE MODELING OF IMPACT COMPACTION OF PRIMITIVE SOLAR SYSTEM SOLIDS
Published in The Astrophysical journal (10-04-2016)“…ABSTRACT We have developed a method for simulating the mesoscale compaction of early solar system solids in low-velocity impact events using the iSALE shock…”
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Comparing analytical and numerical approaches to meteoroid orbit determination using Hayabusa telemetry
Published in Meteoritics & planetary science (01-09-2019)“…Fireball networks establish the trajectories of meteoritic material passing through Earth's atmosphere, from which they can derive pre‐entry orbits…”
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Giant convecting mud balls of the early solar system
Published in Science advances (01-07-2017)“…Carbonaceous asteroids may have been the precursors to the terrestrial planets, yet despite their importance, numerous attempts to model their early solar…”
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Morphology and population of binary asteroid impact craters
Published in Earth and planetary science letters (01-02-2013)“…Observational data show that in the Near Earth Asteroid (NEA) region 15% of asteroids are binary. However, the observed number of plausible doublet craters is…”
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The rate of small impacts on Earth
Published in Meteoritics & planetary science (01-04-2006)“…— Asteroids tens to hundreds of meters in diameter constitute the most immediate impact hazard to human populations, yet the rate at which they arrive at…”
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Earliest rock fabric formed in the Solar System preserved in a chondrule rim
Published in Nature geoscience (01-04-2011)“…Rock fabrics record the formation, compaction and deformation history of that rock. High-resolution mapping of tiny grains in the Allende CV meteorite reveals…”
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Volatile Fractionation in the Early Solar System and Chondrule/Matrix Complementarity
Published in Proceedings of the National Academy of Sciences - PNAS (27-09-2005)“…Bulk chondritic meteorites and terrestrial planets show a monotonic depletion in moderately volatile and volatile elements relative to the Sun's photosphere…”
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The orbit and atmospheric trajectory of the Orgueil meteorite from historical records
Published in Meteoritics & planetary science (01-01-2006)“…— Using visual observations that were reported 140 years ago in the Comptes Rendus de l'Académie des Sciences de Paris, we have determined the atmospheric…”
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Anomalous Basaltic Meteorite from the Innermost Main Belt
Published in Science (American Association for the Advancement of Science) (18-09-2009)“…Triangulated observations of fireballs allow us to determine orbits and fall positions for meteorites. The great majority of basaltic meteorites are derived…”
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The Bunburra Rockhole meteorite fall in SW Australia: fireball trajectory, luminosity, dynamics, orbit, and impact position from photographic and photoelectric records
Published in Meteoritics & planetary science (01-02-2012)“…– We report an analysis of the first instrumentally observed meteorite fall in Australia, which was recorded photographically and photoelectrically by two…”
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Lithium isotopes as indicators of meteorite parent body alteration
Published in Meteoritics & planetary science (01-05-2013)“…Hydrothermal processing on planetesimals in the early solar system produced new mineral phases, including those generated by the transformation of anhydrous…”
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The impact rate on Earth
Published in Philosophical transactions of the Royal Society of London. Series A: Mathematical, physical, and engineering sciences (15-12-2005)“…Recent data, and modelling of the interaction between asteroids and the atmosphere, has defined a complete size-frequency distribution for terrestrial…”
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Excitation of rat colonic afferent fibres by 5-HT3 receptors
Published in The Journal of physiology (01-11-2002)“…The gastrointestinal tract contains most of the body's 5-hydroxytryptamine (5-HT) and releases large amounts after meals or exposure to toxins. Increased 5-HT…”
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Mineralogy of carbonaceous chondritic microclasts in howardites: identification of C2 fossil micrometeorites
Published in Geochimica et cosmochimica acta (01-02-2003)“…Seventy-one carbonaceous chondritic microclasts of average size 150 μm have been found in three howardites (Yamato-793497, Jodzie, Kapoeta). All carbonaceous…”
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A cornucopia of presolar and early solar system materials at the micrometer size range in primitive chondrite matrix
Published in Meteoritics & planetary science (01-08-2007)“…— We have used a variety of complementary microanalytical techniques to constrain the mineralogy, trace‐element distributions, and oxygen‐isotopic compositions…”
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Absolute time encoding for temporal super-resolution using de Bruijn coded exposures
Published in Machine vision and applications (2020)“…Many target tracking tasks require high spatial and temporal precision. High frame rate imaging at high spatial resolution is commonly used in these…”
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Successful Recovery of an Observed Meteorite Fall Using Drones and Machine Learning
Published in Astrophysical journal. Letters (01-05-2022)“…We report the first-time recovery of a fresh meteorite fall using a drone and a machine-learning algorithm. The fireball was observed on 2021 April 1 over…”
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The Winchcombe fireball—That lucky survivor
Published in Meteoritics & planetary science (01-05-2024)“…On February 28, 2021, a fireball dropped ∼0.6 kg of recovered CM2 carbonaceous chondrite meteorites in South‐West England near the town of Winchcombe. We…”
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Hydrogen isotopic composition of water from fossil micrometeorites in howardites
Published in Geochimica et cosmochimica acta (01-07-2005)“…We have measured the hydrogen isotopic composition (D/H ratios) of the water from 13 carbonaceous chondritic microclasts (CCMs, size <1 mm) trapped in two…”
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Trajectory, recovery, and orbital history of the Madura Cave meteorite
Published in Meteoritics & planetary science (01-07-2022)“…On June 19, 2020 at 20:05:07 UTC, a fireball lasting 5.5s was observed above Western Australia by three Desert Fireball Network observatories. The meteoroid…”
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