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587 results for “Asteroid”
Machine Learning Mid-Infrared Spectral Models for Predicting Modal Mineralogy of CI/CM Chondritic Asteroids and Bennu
<p>This is supporting data for the paper titled "Machine Learning Mid-Infrared Spectral Models for Predicting Modal Mineralogy of CI/CM Chondritic Asteroids and Bennu". Figure S1 compares model performance of nonnegative LSMA and PLS from Pan et al. (2015). Tables S1 through S5 provide XRD data, metadata, MIR spectra using the laboratory conversion, MIR spectra using the OTES conversion and quantitative XRD results for Murchison meteorite. </p>
FIG. 1. — A in The type specimens of extant asteroids (Echinodermata) in the Muséum national d'Histoire naturelle of Paris
FIG. 1. — A, Jean Baptiste Lamarck (Urbain 1946); B, Franz Hermann Troschel (courtesy of A. Ziegler); C, Edmond Perrier (Uzanne 1903); D, René Koehler (Uzanne 1908).
Early Partial Melting Activity in Asteroids: Insights from Petrogenesis and Chronology of the Albite-rich Achondrite Erg Atouila 001
<p><span>The BSE, elemental mapping images, geochemical and crystallographic data of Erg Atouila 001.</span></p>
Appendices C-F of Athanasopoulos et al. (2024) Spin states of X-complex asteroids in the inner Main Belt
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Figure 3 from: Gutt J, Piepenburg D, Voß J (2014) Asteroids, ophiuroids and holothurians from the southeastern Weddell Sea (Southern Ocean). ZooKeys 434: 1-15. https://doi.org/10.3897/zookeys.434.7622
Figure 3 - Relative abundance proportions of Asteroidea (AST), Ophiuroidea (OPH) and Holothuroidea (HOL) within the three assemblages (Eastern Shelf, Southern Shelf, and Overdeepened Basins I & II) defined by cluster analysis and multidimensional scaling. In addition, the two most abundant families are given for each echinoderm class.
Figure 2 from: Gutt J, Piepenburg D, Voß J (2014) Asteroids, ophiuroids and holothurians from the southeastern Weddell Sea (Southern Ocean). ZooKeys 434: 1-15. https://doi.org/10.3897/zookeys.434.7622
Figure 2 - Faunal resemblance pattern (a) and geographic distibution (b) of stations where both asterozoans and holothurians were sampled during "Polarstern" cruises PS01, PS04, and PS06. a Multidimensional Scaling (MDS) plot showing the faunal between-station resemblance pattern. The numbers are station numbers, the affiliation of stations to asterozoan-holothurian assemblages, based on cluster analysis (complete linkage, threshold of 21% Bray-Curtis similarity), are indicated by color codes. According to cluster analysis, stn 213 belongs to cluster "Overdeepened Basins II" but based on MSD ordination it was assigned to cluster "Eastern Shelf" b Geographic map of stations. Symbol color denotes assemblage affiliation according to cluster analysis and Multidimensional Scaling (see Fig. 2a), symbol size is scaled according to the number of species at each station (ranging from 13 to 51).
Figure 1 from: Gutt J, Piepenburg D, Voß J (2014) Asteroids, ophiuroids and holothurians from the southeastern Weddell Sea (Southern Ocean). ZooKeys 434: 1-15. https://doi.org/10.3897/zookeys.434.7622
Figure 1 - Map of stations in the southeastern Weddell Sea (Southern Ocean) where either asterozoans and holothurians separately or both asterozoans and holothurians together were sampled during "Polarstern" cruises PS01, PS04, and PS06. In case of station number 310 that occurred during two cruises, cruise numbers are included in the station labels.
SolSysELTs2022 Part II: Short discussion on asteroid observations
<p>Discussion: video recording</p>
SolSysELTs2022 Part II: Main belt asteroid observations with the ELTs
<p>Invited talk: presentation and video recording</p>
SolSysELTs2022 Part II: Comets and Asteroids: Synergies between space missions and ELTs
<p>Invited talk: presentation and video recording</p>
SolSysELTs2022 Part II: Discussion: Asteroids and Comets
<p>Discussion: video recording</p>
SolSysELTs2022 Part II: Observations of active asteroids in the era of ELTs
<p>Invited talk: presentation and video recording</p>
SolSysELTs2022 Part II: Observing asteroids and trans-Neptunian objects with MICADO/MAORY
<p>Contributed talk: presentation and video recording</p>
FIG.1 in Deep-Sea asteroids (Echinodermata; Asteroidea) from the Galician Bank (North Atlantic Ocean)
FIG.1. Area of study. GB Sampling stations with presence of asteroids
Assess Safety and Efficacy of Vilaprisan in Subjects With Uterine Fibroids (ASTEROID 4)
ClinicalTrials.gov study NCT03400956. IPD Sharing: NO. Countries: 5. Publications: 0.
Numerical Simulations of Laboratory-Scale, Hypervelocity-Impact Experiments for Asteroid-Deflection Code Validation
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Planets or asteroids? A geochemical method to constrain the masses of White Dwarf pollutants (video)
<p>The PLATO mission will discover a large number of terrestrial exoplanets, providing measurements of their radii. However, to determine whether an exoplanet is ‘Earth-like’, we must also understand its geological composition. The composition of a planet has wide ranging implications for its subsequent evolution and habitability. Ground-based follow-up to the PLATO detections can constrain planet masses and inform our knowledge of planetary interiors. In this talk, I will discuss a complimentary technique that can further improve our understanding of planetary composition and the geology of rocky exoplanets.</p> <p>Polluted white dwarfs which have accreted fragments of rocky objects provide a unique opportunity to probe exoplanetary interiors. These accreted fragments are often rich in either core-like or mantle-like material, which inform us about the core and mantle compositions we can expect to find in exoplanetary bodies.</p> <p>In this talk, I will present an approach to modelling the abundances of non-Earth-like core and mantle compositions observed in polluted white dwarfs. We use data from metal-silicate partitioning experiments to calculate the effect of non-Earth-like conditions on the distribution of elements between the core and the mantle. The resulting non-Earth-like compositions may be useful for interior structure models of exoplanets.</p>
Binary asteroid formation movies
<p>Simulations of binary asteroid formation using a polyhedral DEM N-body code. </p> <p>Each movie has been rendered in the inertial frame of the system and their titles correspond to the simulation identifier used in the printed article.</p> <p>Due to a bug in the code, some particle phase through the boundary of the primary body which can cause them to be ejected at high velocities as they get too close to the barycentre of the system. Comparing our results with a fixed version of the code where contacts between the primary body and disk particles are resolved, this does not change the dynamics of the disk evolution and the amount of ejected mass remains about the same for each simulation.</p>
A New Mechanism for Stishovite Formation During Rapid Compression of Quartz and Implications for Asteroid Impacts
<p>Data for A New Mechanism for Stishovite Formation During Rapid Compression of Quartz and Implications for Asteroid Impacts</p>
An Open-Label Study of the Effect of an Ophthalmic Solution on Asteroid Hyalosis
ClinicalTrials.gov study NCT00825942. IPD Sharing: Not stated. Countries: 1. Publications: 0.
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DANDI Archive for NWB datasets
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International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.