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Related papers: Modeling Meteoroid Impacts on the Juno spacecraft

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Photometry from the Helios and STEREO spacecraft revealed regions of enhanced sky surface-brightness suggesting a narrow circumsolar ring of dust associated with Venus's orbit. We model this phenomenon by integrating the orbits of…

Earth and Planetary Astrophysics · Physics 2019-04-30 Petr Pokorný , Marc J. Kuchner

It is customarily assumed that Earth-striking meteoroids are completely random, and that all the impacts must be interpreted as uncorrelated events distributed according to Poisson statistics. If this is correct, their impact dates must be…

Earth and Planetary Astrophysics · Physics 2014-11-04 C. de la Fuente Marcos , R. de la Fuente Marcos

The zodiacal light is a night-glow mostly visible along the plane of the ecliptic. It represents the background radiation associated with solar light scattered by the tenuous flattened interplanetary cloud of dust particles surrounding the…

Earth and Planetary Astrophysics · Physics 2020-07-01 Jeremie Lasue , Anny-Chantal Levasseur-Regourd , Jean-Baptiste Renard

Context: Various ideas have been proposed to explain the formation of the Geminid meteoroid stream from the asteroid (3200) Phaethon. However, little has been studied about the Geminid formation based on the assumption that mass ejection…

Earth and Planetary Astrophysics · Physics 2024-01-09 Hangbin Jo , Masateru Ishiguro

Nozomi was Japan's first space mission to Mars, launched on 3 July 1998 UT. It was equipped with the Mars Dust Counter (MDC) which was an impact ionisation dust detector. MDC detected 96 dust particle impacts when the spacecraft was in…

Earth and Planetary Astrophysics · Physics 2026-02-18 Harald Krüger , Masanori Kobayashi , Hiroshi Kimura , Tomoko Arai , Hakan Svedhem , Sho Sasaki

Storms are emerging as key drivers in shaping hydrogen-dominated atmospheres. Trace gas condensation can suppress convection and disrupt the distribution of energy and material in hydrogen atmospheres. On Jupiter, the presence of water has…

Earth and Planetary Astrophysics · Physics 2025-02-25 Chris Moeckel , Huazhi Ge , Imke de Pater

The feedback from massive stars drives the evolution of interstellar dust grains by altering their physical properties via a number of radiative and mechanical processes. Through these interactions, interstellar grains can achieve high…

Astrophysics of Galaxies · Physics 2025-03-12 Sergio Martínez-González

A small number of young stellar objects show signs of a halo-like structure of optically thin dust. This halo or torus is located within a few AU of the star, but its origin has not yet been understood. A dynamically excited cloud of…

Solar and Stellar Astrophysics · Physics 2015-05-28 Sebastiaan Krijt , Carsten Dominik

Cosmic rays are known to cause biological effects directly and through ionizing radiation produced by their secondaries. These effects have been detected in airline crews and other specific cases where members of the population are exposed…

Space Physics · Physics 2015-05-18 A. C. Overholt , A. L. Melott , D. Atri

We consider the ability of three models - impacts, captures, and collisional cascades - to account for a bright cloud of dust in Fomalhaut b. Our analysis is based on a novel approach to the power-law size distribution of solid particles…

Solar and Stellar Astrophysics · Physics 2015-06-19 Scott J. Kenyon , Thayne Currie , Benjamin C. Bromley

Results from Juno's microwave radiometer indicate non-uniform mixing of ammonia vapor in Jupiter's atmosphere down to tens of bars, far beneath the cloud level. Helioseismic observations suggest solar convection may require narrow,…

Earth and Planetary Astrophysics · Physics 2023-06-28 S. Markham , T. Guillot , C. Li

The intense activity of cratering on the Moon and in the inner regions of the solar system was accomplished during the first 10^9 years [1]. Occasionally, some impact events occur even nowadays. In Section 1, we treat, from a historical…

Astrophysics · Physics 2007-05-23 Giovanni Imponente , Costantino Sigismondi

Predictions of the microwave thermal emission from the interplanetary dust cloud are made using several contemporary meteoroid models to construct the distributions of cross-section area of dust in space, and applying the Mie…

Earth and Planetary Astrophysics · Physics 2015-11-18 Valery V. Dikarev , Dominik J. Schwarz

The UVS instrument on the Juno mission recorded transient bright emission from a point source in Jupiter's atmosphere. The spectrum shows that the emission is consistent with a 9600-K blackbody located 225 km above the 1-bar level and the…

A heliocentric dust ring on Venus orbit was discovered following observations by the Helios spacecraft, and then confirmed thanks to observations by STEREO and the Parker Solar Probe. The impact risk it poses needs to be evaluated for any…

Earth and Planetary Astrophysics · Physics 2026-02-18 Ariane Courtot , Mark Millinger

In this paper, the dynamical analysis of the Jovian dust originating from the four Galilean moons is presented. High accuracy orbital integrations of dust particles are used to determine their dynamical evolution. A variety of forces are…

Earth and Planetary Astrophysics · Physics 2018-05-02 Xiaodong Liu , Manuel Sachse , Frank Spahn , Jürgen Schmidt

During a tidal disruption event, a star is torn apart by the tidal forces of a supermassive black hole, with about 50% of the star's mass eventually accreted by the black hole. The resulting flare can, in extreme cases of super-Eddington…

High Energy Astrophysical Phenomena · Physics 2021-08-31 Walter Winter , Cecilia Lunardini

High-mass microquasar jets, produced in an accreting compact object in orbit around a massive star, must cross a region filled with stellar wind. The combined effects of the wind and orbital motion can strongly affect the jet properties on…

High Energy Astrophysical Phenomena · Physics 2021-12-22 Maxim V. Barkov , Valenti Bosch-Ramon

The finite size of a neutrino wavepacket at creation can affect its oscillation probability. Here, we consider the electron antineutrino wavepacket and decoherence in the context of the nuclear reactor based experiment JUNO. Given JUNO's…

High Energy Physics - Phenomenology · Physics 2022-10-12 Eric Marzec , Joshua Spitz

Tau Boo is an intriguing planet-host star that is believed to undergo magnetic cycles similar to the Sun, but with a duration that is about one order of magnitude smaller than that of the solar cycle. With the use of observationally derived…

Solar and Stellar Astrophysics · Physics 2015-06-04 A. A. Vidotto , R. Fares , M. Jardine , J. F. Donati , M. Opher , C. Moutou , C. Catala , T. I. Gombosi
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