Results 21 to 30 of about 87 (87)

Finding Fireballs in Lightning: A Daily Pipeline to Find Meteors in Weather Satellite Data

Earth and Space Science, Volume 13, Issue 7, July 2026.
Abstract Weather satellite data contains a wealth of information well beyond its application to meteorology. The GOES weather satellite Geostationary Lightning Mapper instruments detect millions of lightning strikes per day. Within these “haystacks” of lightning are a handful of “needles” of bolides (aka bright fireballs, or exploding meteors). We have
Jeffrey C. Smith, Robert L. Morris, Jessie Dotson, Randolph Longenbaugh, Jeffrey R. Olson, Anthony Ozerov, Daniel Fox   +6 more
wiley   +1 more source

Accretion of Meteoric Organic Matter at the Surface of Mars and Potential Production of Methane by Ultraviolet Radiation

The Planetary Science Journal
In this study, a comprehensive model of the meteoric organic cycle on Mars for the current geological period is developed, which characterizes the ablation of exogenous organic matter in the upper atmosphere, the accretion of intact carbon at the surface,
Juan Diego Carrillo-Sánchez, John M. C. Plane, Diego Janches, Gerónimo L. Villanueva   +3 more
doaj   +1 more source

Achondrites in meteor data: Spectra, dynamics, and physical properties of candidate aubrite and eucrite impactors

Astronomy & Astrophysics
Meteor spectroscopy presents new opportunities for investigating the diversity of small Solar System bodies and capturing the real distribution of present material types. In this work, we analyzed a sample of 180 higher-resolution meteor spectra from the
Matlovič P., Pisarčíková A., Pazderová V., Vörös T., Hlobik F., Devillepoix H. A. R., Borovička J., Paprskárová M., Deam S. E., Tóth J., Kornoš L., Paulech T., Zigo P.   +12 more
doaj   +1 more source

Cosmic Dust Flux During the Quaternary: The Record of Large Scoriaceous and Unmelted Micrometeorites From the Transantarctic Mountains Collection

Journal of Geophysical Research: Planets, Volume 131, Issue 7, July 2026.
Abstract We estimate the cosmic dust flux to Earth through the study of rare micrometeorites that preserve part of their precursor features during atmospheric entry heating, namely unmelted and scoriaceous subtypes. Combining high‐precision mass balance measurements, X‐ray computed microtomography and scanning electron microscopy, we studied mass, size
S. Ottaviani, L. Folco, M. D. Suttle, R. Repič, L. Mancini, T. Battiston, S. Iannini Lelarge, M. Masotta   +7 more
wiley   +1 more source

Comparing the data-reduction pipelines of FRIPON, DFN, WMPL, and AMOS: Case study of the Geminids

Astronomy & Astrophysics
Context. The number of meteor observation networks has expanded rapidly due to declining hardware costs, enabling professional and amateur groups to contribute substantial datasets.
Shober P. M., Vaubaillon J., Anghel S., Devillepoix H. A. R., Hlobik F., Matlovič P., Tóth J., Vida D., Sansom E. K., Jansen-Sturgeon T., Colas F., Malgoyre A., Kornoš L., Ďuriš F., Pazderová V., Bouley S., Zanda B., Vernazza P.   +17 more
doaj   +1 more source

Mercury's Tectonics Record a Damage Zone From the Caloris Basin‐Forming Impact

Journal of Geophysical Research: Planets, Volume 131, Issue 7, July 2026.
Abstract The Caloris basin is the largest of the well‐preserved basins on Mercury and has left a dominant mark in the planet's geologic record. Previous analysis of orientations of a global compilation of Mercury's faults hypothesized that the Caloris basin‐forming impact introduced a widespread damage zone from which basin‐radial and ‐concentric ...
Christian Klimczak, Kelsey T. Crane, Paul K. Byrne, Işık S. Yazıcı   +3 more
wiley   +1 more source

Solar System material reaching neighboring star systems

Astronomy & Astrophysics
Context. In our Solar System, few macroscopic objects have been observed to be moving in hyperbolic orbits and, thus, they must have originated from interstellar space. Some meteoroids are also suspected to have an interstellar origin.
Neslušan L., Janák F., Nagy R., Hajduková M.   +3 more
doaj   +1 more source

Stratigraphy Preserved on the Jezero Crater Rim Reveals Repeated Impacts on Early Mars

Journal of Geophysical Research: Planets, Volume 131, Issue 7, July 2026.
Abstract The outer slopes of the western Jezero crater rim are hypothesized to expose sections of Early‐ to Pre‐Noachian crust uplifted by the Jezero impact, providing an excellent opportunity to investigate the earliest geologic processes active on terrestrial planets.
Alexander J. Jones, Sanjeev Gupta, Robert Barnes, Samantha Gwizd, Kathryn M. Stack, Briony Horgan, Sanna Alwmark, Athanasios Klidaras, Eleni Ravanis, Sarah Fagents, Gerhard Paar, James F. Bell III, Justin N. Maki, Margaret Deahn, Candice Bedford, Nicolas Mangold, Michael Bramble, Justin I. Simon, Lisa Mayhew, Cathy Quantin‐Nataf, Larry Crumpler, Christoph Traxler, Chris Herd, Olivier Beyssac, Nicolas Randazzo, Uni Árting, Roger C. Wiens, Kenneth A. Farley   +27 more
wiley   +1 more source

Geminids are initially cracked by atmospheric thermal stress

Astronomy & Astrophysics
Context. Geminids have the highest bulk density of all major meteor showers and their mechanical strength appears to depend on their mass. They are also the most active annual shower, enabling detailed studies of the dependence of their physical and ...
Henych Tomáš, Borovička Jiří, Čapek David, Vojáček Vlastimil, Spurný Pavel, Koten Pavel, Shrbený Lukáš   +6 more
doaj   +1 more source

Degradation of Rustic Canyon Crater in Gale Crater, Mars

Journal of Geophysical Research: Planets, Volume 131, Issue 7, July 2026.
Abstract The Rustic Canyon crater is a degraded impact structure on Mt. Sharp in Gale crater. The crater is irregular in plan form, ∼20 m across NW‐SE and ∼30 m across NE‐SW and lacks a raised rim. Using images and a Digital Terrain Model derived from a rover orthomosaic of the crater, we evaluated the amount and processes of degradation based on ...
J. A. Grant, S. A. Wilson, M. A. Cowart, C. M. Weitz, M. E. Hoffman, T. Kubacki, N. Milling, C. Juarez, F. J. Calef III, L. M. Thompson   +9 more
wiley   +1 more source