Search Results - "Jr, Harold C. Connolly"
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An Interstellar Origin for the Beryllium 10 in Calcium-rich, Aluminum-rich Inclusions
Published in The Astrophysical journal (10-02-2004)“…Beryllium 10 is a short-lived radionuclide (t sub(1/2) = 1.5 Myr) that was incorporated live into calcium-rich, aluminum-rich inclusions (CAIs) at the birth of…”
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Samples returned from the asteroid Ryugu are similar to Ivuna-type carbonaceous meteorites
Published in Science (American Association for the Advancement of Science) (24-02-2023)“…Carbonaceous meteorites are thought to be fragments of C-type (carbonaceous) asteroids. Samples of the C-type asteroid (162173) Ryugu were retrieved by the…”
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From Stars to Dust: Looking into a Circumstellar Disk Through Chondritic Meteorites
Published in Science (American Association for the Advancement of Science) (07-01-2005)“…One of the most fundamental questions in planetary science is, How did the solar system form? In this special issue, astronomical observations and theories…”
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Petrography, stable isotope compositions, microRaman spectroscopy, and presolar components of Roberts Massif 04133: A reduced CV3 carbonaceous chondrite
Published in Meteoritics & planetary science (01-12-2014)“…Here, we report the mineralogy, petrography, C‐N‐O‐stable isotope compositions, degree of disorder of organic matter, and abundances of presolar components of…”
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The Role of Hydrated Minerals and Space Weathering Products in the Bluing of Carbonaceous Asteroids
Published in The planetary science journal (01-04-2021)“…The surfaces of airless bodies such as lunar and S-type asteroids typically become spectrally redder in visible to near-infrared reflectance with longer…”
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Sulfide-rich metallic impact melts from chondritic parent bodies
Published in Meteoritics & planetary science (01-05-2010)“…– Sacramento Wash 005 (SaW) 005, Meteorite Hills 00428 (MET) 00428, and Mount Howe 88403 (HOW) 88403 are S‐rich Fe,Ni‐rich metal meteorites with fine metal…”
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The Formation of Chondrules: Petrologic Tests of the Shock Wave Model
Published in Science (American Association for the Advancement of Science) (03-04-1998)“…Chondrules are millimeter-sized rounded igneous rocks within chondritic meteorites. Their textures and fractionated mineral chemistries suggest that they…”
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Soluble Organic Molecules in Samples of the Carbonaceous Asteroid (162173) Ryugu
Published in Science (American Association for the Advancement of Science) (24-02-2023)“…The Hayabusa2 spacecraft collected samples from the surface of the carbonaceous near-Earth asteroid (162173) Ryugu, and brought them to Earth. The samples were…”
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GRO 95577 (CR1) as a mineralogical analogue for asteroid (101955) Bennu
Published in Icarus (New York, N.Y. 1962) (01-09-2022)“…Orbital spectra of asteroid (101955) Bennu collected by NASA's Origins, Spectral Interpretation, Resource Identification, Security–Regolith Explorer…”
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High‐resolution cathodoluminescence of calcites from the Cold Bokkeveld chondrite: New insights on carbonatation processes in CM parent bodies
Published in Meteoritics & planetary science (01-09-2024)“…Carbonates, as secondary minerals found in CM chondrites, have been widely employed for reconstructing the composition of the fluids from which they…”
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Finely layered CM2 carbonaceous chondrites may be analogs for layered boulders on asteroid (101955) Bennu
Published in Meteoritics & planetary science (01-11-2024)“…Orbital observations of Bennu revealed a surface covered in boulders that are most similar among meteorites in our collections to aqueously altered…”
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The importance of experiments: Constraints on chondrule formation models
Published in Meteoritics & planetary science (01-07-2012)“…— We review a number of constraints that have been placed on the formation of chondrules and show how these can be used to test chondrule formation models…”
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The formation and alteration of the Renazzo-like carbonaceous chondrites II: Linking O-isotope composition and oxidation state of chondrule olivine
Published in Geochimica et cosmochimica acta (15-01-2013)“…To better understand the formation conditions of type-I and type-II chondrules in the Renazzo-like carbonaceous (CR) chondrites, an in situ major- and…”
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Modified granular impact force laws for the OSIRIS-REx touchdown on the surface of asteroid (101955) Bennu
Published in Monthly notices of the Royal Astronomical Society (01-11-2021)“…ABSTRACT The OSIRIS-REx mission collected a sample from the surface of the asteroid (101955) Bennu in 2020 October. Here, we study the impact of the OSIRIS-REx…”
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Incremental laser space weathering of Allende reveals non-lunar like space weathering effects
Published in Icarus (New York, N.Y. 1962) (01-04-2017)“…•Spectra of weathered Allende have both a lunar and non-lunar space weathering component.•Spectra of Allende became increasingly bluer in the 450–550nm region…”
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Petrology and oxygen isotope compositions of chondrules in E3 chondrites
Published in Geochimica et cosmochimica acta (01-11-2011)“…Chondrules in E3 chondrites differ from those in other chondrite groups. Many contain near-pure endmember enstatite (Fs<1). Some contain Si-bearing FeNi metal,…”
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Molecular distribution and 13C isotope composition of volatile organic compounds in the Murchison and Sutter's Mill carbonaceous chondrites
Published in Meteoritics & planetary science (01-02-2024)“…Volatile organic compounds (VOCs) are carbon‐containing chemicals that may evaporate rapidly at room temperature and standard pressure. Such organic compounds…”
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The Nature of Insoluble Organic Matter in Sutter’s Mill and Murchison Carbonaceous Chondrites: Testing the Effect of X-ray Computed Tomography (XCT) and Exploring Parent Body Organic Molecular Evolution
Published in Meteoritics & planetary science (01-01-2024)“…This study analyzed samples of the Murchison and Sutter’s Mill carbonaceous chondrite meteorites in support of the future analysis of samples returned from the…”
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The formation and alteration of the Renazzo-like carbonaceous chondrites III: Toward understanding the genesis of ferromagnesian chondrules
Published in Meteoritics & planetary science (01-01-2015)“…To better understand the formation conditions of ferromagnesian chondrules from the Renazzo‐like carbonaceous (CR) chondrites, a systematic study of 210…”
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Investigating the Impact of X-Ray Computed Tomography Imaging on Soluble Organic Matter in the Murchison Meteorite: Implications for Bennu Sample Analyses
Published in Meteoritics & planetary science (01-01-2024)“…X-ray computed tomography (XCT) is a valuable reconnaissance tool for three-dimensional imaging and identification of distinct lithologies in extraterrestrial…”
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