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Related papers: Constraining Ceres' interior from its Rotational M…

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Neutron stars are the densest objects known in our visible universe. Properties of matter inside a neutron star are encoded in its equation of state, which has wide-ranging uncertainty from a theoretical perspective. With the current…

High Energy Astrophysical Phenomena · Physics 2022-04-20 Bhaskar Biswas

Context: The superrotation phenomenon in the atmosphere on Venus has been known since the late 60's. But until now no mechanism proposed has satisfactorily explained this phenomenon. Objective: The aim of this research is to propose a…

Earth and Planetary Astrophysics · Physics 2010-07-02 Hector Javier Durand-Manterola

The formation and orbital evolution of Saturn's inner mid-sized moons are still debated. The most puzzling aspects are 1) how the Tethys-Dione pair and the Mimas-Enceladus pair passed through their strong 3:2 mean-motion resonances during…

Earth and Planetary Astrophysics · Physics 2018-09-05 Ayano Nakajima , Shigeru Ida , Jun Kimura , Ramon Brasser

The rotation rates in the deep interior and at the surface of 22 main-sequence stars with masses between $1.0$ and $1.6\,{\rm M}_{\odot}$ are constrained by combining asteroseismological analysis with spectroscopic measurements. The…

Solar and Stellar Astrophysics · Physics 2015-08-06 O. Benomar , M. Takata , H. Shibahashi , T. Ceillier , R. A. Garcia

With an estimated diameter in the 320 to 350 km range, (704) Interamnia is the fifth largest main belt asteroid and one of the few bodies that fills the gap in size between the four largest bodies with $D$ > 400 km (Ceres, Vesta, Pallas and…

Understanding the evolution of radial sizes and instantaneous expansion speeds of coronal mass ejections (CMEs) is crucial for assessing their impact duration on Earth's environment. We introduce a non-conventional approach to derive the…

Solar and Stellar Astrophysics · Physics 2024-09-30 Anjali Agarwal , Wageesh Mishra

This paper presents synthetic observations of long-lived, coorbiting asteroids of Mercury, Venus, the Earth and Mars. Our sample is constructed by taking the limiting semimajor axes, differential longitudes and inclinations for long-lived…

Astrophysics · Physics 2009-10-31 N. W. Evans , S. A. Tabachnik

Our knowledge of the properties of Coronal Mass Ejections (CMEs) in the inner heliosphere is constrained by the relative lack of plasma observations between Sun and 1 AU. In this work, we present a comprehensive catalog of 47 CMEs measured…

Space Physics · Physics 2020-05-06 T. M. Salman , R. M. Winslow , N. Lugaz

Polluted white dwarfs that have accreted planetary material provide a unique opportunity to probe the geology of exoplanetary systems. However, the nature of the bodies which pollute white dwarfs is not well understood: are they small…

Earth and Planetary Astrophysics · Physics 2022-01-05 Andrew M. Buchan , Amy Bonsor , Oliver Shorttle , Jon Wade , John Harrison , Lena Noack , Detlev Koester

The aim of our study is to characterise the spin states of the members of the Athor and Zita collisional families and test whether these members have a spin distribution consistent with a common origin from the break up of their respective…

The observations of global stellar oscillations of post main-sequence stars by space-based photometry missions allowed to directly determine their internal rotation. These constraints have pointed towards the existence of angular momentum…

Solar and Stellar Astrophysics · Physics 2021-10-27 L. Fellay , G. Buldgen , P. Eggenberger , S. Khan , S. J. A. J. Salmon , A. Miglio , J. Montalbán

A comprehensive exploration of Uranus and Neptune is essential to understand the formation and evolution of the giant planets, in particular, solar system, in general, and, by extension, a vast population of exoplanets. Though core…

Earth and Planetary Astrophysics · Physics 2020-06-25 Sushil K. Atreya , Mark H. Hofstadter , Joong Hyun In , Olivier Mousis , Kim Reh , Michael H. Wong

Variations and spatial distributions of bright and dark material on dwarf planet Ceres play a key role in understanding the processes that have led to its present surface composition. We define limits for bright and dark material in order…

Earth and Planetary Astrophysics · Physics 2018-02-20 G. Thangjam , A. Nathues , T. Platz , M. Hoffmann , E. A. Cloutis , K. Mengel , M. R. M. Izawa , D. M. Applin

The excitation of density and bending waves in Saturn's C ring by planetary oscillation modes presents a unique opportunity to learn about gas giant interiors and rotation. However, theoretical complications related to Saturn's rapid and…

Earth and Planetary Astrophysics · Physics 2022-09-14 Janosz W. Dewberry , Christopher R. Mankovich , Jim Fuller

Ice sintering is a form of metamorphism that drives the microstructural evolution of an aggregate of grains through surface and volume diffusion. This leads to an increase in the grain-to-grain contact area ("neck") and density of the…

The distribution of asteroids across the Main Belt has been studied for decades to understand the compositional distribution and what that tells us about the formation and evolution of our solar system. All-sky surveys now provide orders of…

Earth and Planetary Astrophysics · Physics 2015-06-16 Francesca DeMeo , Benoit Carry

Enceladus is among the most intriguing bodies in the solar system due to its astrobiological potential. Determining the extent and duration of habitability (i.e., sustained habitability) requires characterizing the interior properties and…

Earth and Planetary Astrophysics · Physics 2025-10-07 Amirhossein Bagheri , Mark Simons , Ryan S. Park , Alexander Berne , Douglas Hemingway , Mohit Melwani Daswani , Steven D Vance

Through multiple, small unmanned probes we can more efficiently capture an asteroid and return it to lunar orbit. The Asteroid Return and Exploration System (ARES) aims to make use of previously tested technology with the application of a…

Space Physics · Physics 2014-10-08 Charles Domercant , Aiden Gonzalez

Saturn's rings are rock-poor, containing 90%-95% ice by mass. As a group, Saturn's moons interior to and including Tethys are also about 90% ice. Tethys itself contains <6% rock by mass, in contrast to its similar-mass outer neighbor Dione,…

Earth and Planetary Astrophysics · Physics 2017-02-16 Julien Salmon , Robin M. Canup

Understanding the existence of exotic matter phases and phase transitions within the core of neutron stars is crucial to advancing our knowledge of cold-dense matter physics. Recent multi-messenger observations, including gravitational…

High Energy Astrophysical Phenomena · Physics 2025-05-07 Chun Huang , Shashwat Sourav