Results 11 to 20 of about 99 (95)

Statistical analysis of meteoroid fragmentation during the Geminid and Leonid meteor showers [PDF]

, 2020
110-121   The meteoroid disintegration mechanism is a subject of interest as they are the sources for metallic layers in MLT region, ionsopheric sporadic E, Noctilucent clouds and other aeronomy.
Yellaiah, Ganji, Chandra, Narwa Rakesh, Kumar, Bathula Prem   +2 more
core  

Statistical analysis of meteoroid fragmentation during the Geminid and Leonid meteor showers

, 2021
The meteoroid disintegration mechanism is a subject of interest as they are the sources for metallic layers in MLT region, ionsopheric sporadic E, Noctilucent clouds and other aeronomy. It is known that meteoroid mass is deposited in the upper atmosphere
Bathula, Prem Kumar; Department of Astronomy, Osmania University, Hyderabad, Telangana 500 007, India, NARWA, RAKESH CHANDRA; Department of Physics, Aurora’s Engineering college, Bhongir, Hyderabad, Telangana 500 095, India, Yellaiah, Ganji ; Department of Astronomy, Osmania University, Hyderabad, Telangana 500 007, India   +2 more
core  

Noble gases and nitrogen in material from asteroid Bennu

Meteoritics &Planetary Science, EarlyView.
Abstract We report the elemental and isotopic abundances of all stable noble gases (helium, neon, argon, krypton, and xenon) in eight particles from asteroid Bennu returned by NASA's OSIRIS‐REx mission. We also report nitrogen abundances and isotopic ratios that were analyzed alongside neon and argon in four additional Bennu particles.
B. Marty, L. Zimmermann, E. Füri, D. V. Bekaert, J. J. Barnes, A. N. Nguyen, H. C. Connolly, D. S. Lauretta   +7 more
wiley   +1 more source

Sedimentology of silica granules and haematite in the 3.47 Ga Antarctic Creek Member, Mount Ada Basalt, Western Australia

Sedimentology, EarlyView.
ABSTRACT The Paleoarchean Antarctic Creek Member of the Mount Ada Basalt, Eastern Pilbara Terrane, Western Australia, includes beds of jasper and white chert composed of sand‐sized silica granules that often contain or are mixed with silt‐sized particles of haematite.
Donald R. Lowe, Gary R. Byerly
wiley   +1 more source

A Comparison of Geminid Models with the PSP/WISPR-observed Phaethon Dust Trail

The Astrophysical Journal
White-light observations from the Wide-Field Imager for Parker Solar Probe (WISPR) instrument on NASA’s Parker Solar Probe recently revealed the presence of a narrow, dense dust trail close to the orbit of asteroid 3200 Phaethon. Although Geminid related,
Karl Battams, Galina O. Ryabova, Angel J. Gutarra-Leon, Jamey R. Szalay, Brendan M. Gallagher, Wolf Cukier   +5 more
doaj   +1 more source

Seed and Soil Inoculation With a Bacillus Consortium in Durum Wheat. Part I: Soil Phosphorus Content and Plant Morphological and Physiological Performance

Journal of Sustainable Agriculture and Environment, Volume 5, Issue 2, June 2026.
ABSTRACT Reducing synthetic fertilizer inputs in durum wheat while maintaining crop performance is a key challenge for Mediterranean cereal systems, where soil constraints frequently limit nutrient availability and canopy function. This study evaluated the physiological and soil‐nutrient responses of durum wheat (Triticum turgidum subsp.
Nicolò Iacuzzi, Roberto Marceddu, Noemi Tortorici, Giuseppe Indovino, Antonio Giovino, Mauro Sarno, Teresa Tuttolomondo   +6 more
wiley   +1 more source

How Long-lived Grains Dominate the Shape of the Zodiacal Cloud

The Planetary Science Journal
Grain–grain collisions shape the three-dimensional size and velocity distribution of the inner Zodiacal Cloud and the impact rates of dust on inner planets, yet they remain the least understood sink of zodiacal dust grains. For the first time, we combine
Petr Pokorný, Althea V. Moorhead, Marc J. Kuchner, Jamey R. Szalay, David M. Malaspina   +4 more
doaj   +1 more source

Terrestrial Analogs to Titan for Geophysical Research

Reviews of Geophysics, Volume 64, Issue 2, June 2026.
Abstract Saturn's moon Titan exhibits remarkable parallels to the Earth in many geophysical and geological processes not found elsewhere in the solar system at the present day. These include a nitrogen atmosphere with a condensible gas—methane—replacing the Earth's water, leading to an active meteorology with rainfall and surface manifestations ...
Conor A. Nixon, Samuel Birch, Audrey Chatain, Charles Cockell, Kendra K. Farnsworth, Peter M. Higgins, Stéphane Le Mouélic, Rosaly M. C. Lopes, Michael J. Malaska, Mohit Melwani Daswani, Kelly E. Miller, Catherine D. Neish, Olaf G. Podlaha, Jani Radebaugh, Lauren R. Schurmeier, Ashley Schoenfeld, Krista M. Soderlund, Anezina Solomonidou, Christophe Sotin, Nicholas A. Teanby, Tetsuya Tokano, Steven D. Vance   +21 more
wiley   +1 more source

Compositional mapping of planetary moons by mass spectrometry of dust ejecta

, 2011
Classical methods to analyze the surface composition of atmosphereless planetary objects from an orbiter are IR and gamma ray spectroscopy and neutron backscatter measurements.
Gruen, E., Krüger, H., Krueger, Harald, Mihaly Horanyi, Frank Spahn, Grün, Eberhard, Sascha Kempf, Eberhard Grün, Sternovsky, Z., Harald Krüger, Grün, E., Krüger, Harald, Krueger, H., Zoltan Sternovsky, Trieloff, M., Kempf, S., Horanyi, M., Postberg, Frank, Postberg, F., Jürgen Schmidt, Spahn, F., Trieloff, Mario, Ralf Srama, Horanyi, Mihaly, Srama, Ralf, Sternovsky, Zoltan, Spahn, Frank, Frank Postberg, Schmidt, Jürgen, Srama, R., Mario Trieloff, Kempf, Sascha, Schmidt, J.   +32 more
core   +1 more source

What Observations Would an Energetic Neutral Atom Imager Have Made During the Voyager 2 Flyby of Uranus?

Journal of Geophysical Research: Space Physics, Volume 131, Issue 6, June 2026.
Abstract We present large‐scale simulations of energetic neutral atom (ENA) emissions at Uranus from a spacecraft viewpoint. Models of magnetic field, extended hydrogen exosphere, moon‐sourced neutral tori, and proton radiation belt are implemented into a simulator to evaluate the production of ENAs for L $L$ = 1–15.
D. Santos‐Costa, N. André
wiley   +1 more source