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Related papers: Asteroid Evolution: Role of Geotechnical Propertie…

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The practical distinctions between asteroids and comets, viewed as products of accretion on either side of the snow line, are less clear-cut than previously understood. In this chapter, we discuss the numerous solar system populations which…

Earth and Planetary Astrophysics · Physics 2022-12-06 David Jewitt , Henry H. Hsieh

Many exoplanets have orbital characteristics quite different from those seen in our own solar system, including planets locked in orbital resonances and planets on orbits that are elliptical or highly inclined from their host star's spin…

Earth and Planetary Astrophysics · Physics 2020-10-28 Emily D. Safsten , Rebekah I. Dawson , Angie Wolfgang

This is a study of the history of the asteroids in the main asteroid belt. Collisions have been the dominant process. Every asteroid has been impacted by others a multitude of times, with consequences of cratering, erosion, spin increments,…

Earth and Planetary Astrophysics · Physics 2022-03-15 Keith. A. Holsapple

The orbital evolution and stability of planetary systems with interaction from the belts is studied using the standard phase-plane analysis. In addition to the fixed point which corresponds to the Keplerian orbit, there are other fixed…

Astrophysics · Physics 2015-06-24 Ing-Guey Jiang , Li-Chin Yeh

More than a half of asteroids in the main belt have irregular shapes with the ratios of the minor to major axis lengths less than 0.6. One of the mechanisms to create such shapes is collisions between asteroids. The relationship between…

Earth and Planetary Astrophysics · Physics 2018-12-12 Keisuke Sugiura , Hiroshi Kobayashi , Shu-ichiro Inutsuka

We present our investigations of the physical and dynamical properties of selected Earth co-orbital asteroids. The photometric optical light curves as well as rotation periods and pole solutions for a sample of four Earth co-orbital…

Earth and Planetary Astrophysics · Physics 2023-01-10 Galin B. Borisov , Apostolos A. Christou , Gordana Apostolovska

Galactic bulges are complex systems. Once thought to be small-scale versions of elliptical galaxies, advances in astronomical instrumentation (spectroscopy in particular) has revealed a wealth of photometric and kinematic substructure in…

Astrophysics of Galaxies · Physics 2015-12-09 Jesús Falcón-Barroso

We study the morphological evolution of surfaces during ion sputtering and we compare their dynamical roughening with aeolian ripple formation in sandy deserts. We show that, although the two phenomena are physically different, they must…

Soft Condensed Matter · Physics 2007-09-19 T. Aste , U. Valbusa

We provide a generalized discussion of tidal evolution to arbitrary order in the expansion of the gravitational potential between two spherical bodies of any mass ratio. To accurately reproduce the tidal evolution of a system at separations…

Earth and Planetary Astrophysics · Physics 2015-03-17 Patrick A. Taylor , Jean-Luc Margot

Accreting compact objects are crucial to understand several important astrophysical phenomena such as Type Ia supernovae, gravitational waves, or X-ray and $\gamma$-ray bursts. In addition, they are natural laboratories to infer fundamental…

High Energy Astrophysical Phenomena · Physics 2025-03-04 Diogo Belloni , Matthias R. Schreiber

Discs of gas and dust around Myr-old stars are a by-product of the star formation process and provide the raw material to form planets. Hence, their evolution and dispersal directly impact what type of planets can form and affect the final…

Earth and Planetary Astrophysics · Physics 2017-04-05 Barbara Ercolano , Ilaria Pascucci

The growing body of observational data on extrasolar planets and protoplanetary disks has stimulated intense research on planet formation and evolution in the past few years. The extremely diverse, sometimes unexpected physical and orbital…

Earth and Planetary Astrophysics · Physics 2016-06-01 Clément Baruteau , Xuening Bai , Christoph Mordasini , Paul Mollière

The goal of the Ariel space mission is to observe a large and diversified population of transiting planets around a range of host star types to collect information on their atmospheric composition. The planetary bulk and atmospheric…

In the past decade, hundreds of asteroid shape models have been derived using the lightcurve inversion method. At the same time, a new framework of 3-D shape modeling based on the combined analysis of widely different data sources such as…

Earth and Planetary Astrophysics · Physics 2016-08-31 J. Durech , B. Carry , M. Delbo , M. Kaasalainen , M. Viikinkoski

In the last decade, thanks to the development of sophisticated numerical codes, major breakthroughs have been achieved in our understanding of the formation of asteroid families by catastrophic disruption of large parent bodies. In this…

Earth and Planetary Astrophysics · Physics 2016-08-31 Patrick Michel , Derek C. Richardson , Daniel D. Durda , Martin Jutzi , Erik Asphaug

In granular systems, thermal cycling causes compaction, creep, penetration of dense objects, and ratcheting of grains against each other. On asteroid surfaces, thermal cycling is high amplitude and can happen billions of times in a few…

Earth and Planetary Astrophysics · Physics 2023-08-08 Danielle Bovie , A. C. Quillen , Rachel Glade

Granular material that is bound by the low gravity of a small asteroid is mobilized by slow velocity impacts. These splashes generated by impacts might play an important role in sculpting the asteroid's surface. In laboratory experiments we…

Earth and Planetary Astrophysics · Physics 2020-07-03 Tabea Bogdan , Jonathan E. Kollmer , Jens Teiser , Maximilian Kruss , Gerhard Wurm

Numerical modeling has long suggested that gravitationally-bound (or so-called rubble-pile) near-Earth asteroids (NEAs) can be destroyed by tidal forces during close and slow encounters with terrestrial planets. However, tidal disruptions…

Earth and Planetary Astrophysics · Physics 2024-01-09 Mikael Granvik , Kevin J. Walsh

The theory of stellar evolution plays a central role in astrophysics as stellar models are used to infer properties for Galactic and Extragalactic stellar populations as well as exoplanetary systems. However, despite decades of experience,…

Solar and Stellar Astrophysics · Physics 2019-02-28 G. Buldgen

This chapter of the book Planetary Ring Systems addresses the origin of planetary rings, one of the least understood processes related to planet formation and evolution. Whereas rings seem ubiquitous around giant planets, their great…

Earth and Planetary Astrophysics · Physics 2018-10-17 S. Charnoz , R. M. Canup , A. Crida , L. Dones
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