Results 101 to 110 of about 952 (170)
The <sup>22</sup>Ne( α ,n)<sup>25</sup>Mg reaction - state of the art, astrophysics, and perspectives. [PDF]
Best A +13 more
europepmc +1 more source
Abstract Near‐Earth rubble‐pile asteroids Bennu and Ryugu are part of the carbonaceous taxonomic complex (C‐complex), and samples returned from both bodies resemble the most aqueously altered carbonaceous chondrites. However, telescopic and spacecraft visible–near infrared (VIS–NIR) reflectance spectra of Ryugu exhibit a red (positive) spectral slope ...
Ralph E. Milliken +10 more
wiley +1 more source
A large, long-lived, slowly-expanding superbubble across the Perseus arm. [PDF]
Chen B +7 more
europepmc +1 more source
Mineralogy, mineral chemistry, and redox equilibria in ten aggregate particles from asteroid Bennu
Abstract Examination of 10 Bennu aggregate particles has revealed the presence of many phases which taken together can provide constraints on the oxygen fugacity (fO2) of Bennu samples. Phyllosilicates (saponite and serpentine), carbonates, oxides (magnetite, chromite), sulfides (pyrrhotite, pentlandite), phosphate (hydroxyapatite, Na‐Mg‐phosphate ...
K. Righter +11 more
wiley +1 more source
A Stellar magnesium to silicon ratio in the atmosphere of an exoplanet. [PDF]
Sanchez JA +19 more
europepmc +1 more source
Abstract Volatile‐rich xenolithic clasts in different types of brecciated meteorites represent unique pristine solar system material. This study investigates the maturity and thermal history of organic matter using Raman spectroscopy and aqueous alteration effects using infrared spectroscopy in the matrix of 15 volatile‐rich clasts (C1 and CM‐like ...
Swarna Prava Das +7 more
wiley +1 more source
Models and observational predictions of dust traps in protoplanetary discs. [PDF]
Pinilla P.
europepmc +1 more source
Abstract Amorphous carbon (αC) is found in various extraterrestrial particles, including those thought to originate from the outer Solar System. αC can form through two main processes involving C‐rich materials: exposure to energetic charged particles and thermal processing.
M. Germanà +10 more
wiley +1 more source
Flare-driven habitability: Expanding life's potential around low-mass stars. [PDF]
Gao DY, Liu HG, Yang M, Zhou JL.
europepmc +1 more source
Morpho‐structural analysis of impact craters on Pluto: Implications for the study of complex craters
Abstract We used Pluto's global digital elevation model to automatically perform a morphometric analysis of impact craters. Triangular irregular networks (TINs) were generated for each crater, providing a detailed representation of crater topography and enabling more accurate morpho‐structural analysis. A dedicated toolkit generated radial profiles for
N. de Campos, A. P. Crósta
wiley +1 more source

