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Earth-mass planets are expected to have atmospheres and experience thermal tides raised by the host star. These tides transfer energy to the planet that can counter the dissipation from bodily tides. Indeed, even a relatively thin…

地球与行星天体物理 · 物理学 2023-12-13 Ema F. S. Valente , Alexandre C. M. Correia

A high-angular momentum giant impact with the Earth can produce a Moon with a silicate isotopic composition nearly identical to that of Earth's mantle, consistent with observations of terrestrial and lunar rocks. However, such an event…

地球与行星天体物理 · 物理学 2020-05-05 William R. Ward , Robin M. Canup , Raluca Rufu

We investigate the secular dynamics of two-planet coplanar systems evolving under mutual gravitational interactions and dissipative forces. We consider two mechanisms responsible for the planetary migration: star-planet (or…

地球与行星天体物理 · 物理学 2012-09-10 Adrián Rodríguez , Tatiana A. Michtchenko , Octavio Miloni

Quantifying the energy budget of Earth in the first few million years following the Moon-forming giant impact is vital to understanding Earth's initial thermal state and the dynamics of lunar tidal evolution. After the impact, the body was…

地球与行星天体物理 · 物理学 2020-01-08 Simon J. Lock , Sarah T. Stewart , Matija Ćuk

The Earth's obliquity is stabilized by the Moon, which facilitates a rapid precession of the Earth's spin-axis, de-tuning the system away from resonance with orbital modulation. It is however, likely that the architecture of the Solar…

地球与行星天体物理 · 物理学 2015-06-22 Gongjie Li , Konstantin Batygin

Tides are the main driving force behind the long-term evolution of planetary systems. The associated energy dissipation and momentum exchanges are commonly described by Love numbers, which relate the exciting potential to the tidally…

地球与行星天体物理 · 物理学 2025-02-05 Pierre Auclair-Desrotour , Gwenaël Boué , Baptiste Loire

We make publicly available an efficient, versatile, easy to use and extend tool for calculating the evolution of circular aligned planetary orbits due to the tidal dissipation in the host star. This is the first model to fully account for…

地球与行星天体物理 · 物理学 2015-06-19 Kaloyan Penev , Michael Zhang , Brian Jackson

In a multi-planet system, a gradual change in one planet's semi-major axis will affect the eccentricities of all the planets, as angular momentum is distributed via secular interactions. If tidal dissipation in the planet is the cause of…

地球与行星天体物理 · 物理学 2015-05-27 Richard Greenberg , Christa Van Laerhoven

We formulated tidal decay lifetimes for hypothetical moons orbiting extrasolar planets with both lunar and stellar tides. Previous work neglected the effect of lunar tides on planet rotation, and are therefore applicable only to systems in…

地球与行星天体物理 · 物理学 2015-06-05 Takashi Sasaki , Jason W. Barnes , David P. O'Brien

We consider the evolution of a binary system interacting due to tidal effects without restriction on the orientation of the orbital, and where significant, spin angular momenta, and orbital eccentricity. We work in the low tidal forcing…

太阳与恒星天体物理 · 物理学 2020-11-11 P. B. Ivanov , J. C. B. Papaloizou

Solid embryos of the Earth and the Moon, as well as trans-Neptunian binaries, could form as a result of contraction of the rarefied condensation which was parental for a binary. The angular momentum of the condensation needed for formation…

地球与行星天体物理 · 物理学 2016-07-26 S. I. Ipatov

Aims: Revisit and improvement of the main results obtained in the study of the tidal evolution of several massive CoRoT planets and brown dwarfs and of the rotation of their host stars. Methods: Simulations of the past and future evolution…

地球与行星天体物理 · 物理学 2016-06-21 Sylvio Ferraz-Mello

N-body equations of motion in comoving system and expanding background are reformulated in a transformed system with static background and fixed damping. The energy and momentum evolution in dark matter flow are rigorously formulated for…

宇宙学与河外天体物理 · 物理学 2022-07-22 Zhijie Xu

In this paper, written as a general historical and technical introduction to the various review papers collected in the special issue ``Solar and Stellar Dynamo: A New Era'', we review the evolution and current state of dynamo theory and…

太阳与恒星天体物理 · 物理学 2023-07-05 Paul Charbonneau , Dmitry Sokoloff

The angular momentum of the present Earth-Moon system could be acquired at the collision of two identical rarefied condensations with sizes of Hill spheres which total mass was about 0.1 of the mass of the Earth. Solid embryos of the Earth…

地球与行星天体物理 · 物理学 2014-12-30 S. I. Ipatov

The Moon migrated to $r_{\leftmoon}\simeq3.8\times10^{10}$ cm over a characteristic time $r/v=10^{10}$ Gyr by tidal interaction with the Earth's oceans at a present velocity of $v=3.8$ cm yr$^{-1}$. We derive scaling of global dissipation…

地球与行星天体物理 · 物理学 2017-02-22 Maurice H. P. M. van Putten

We apply Laplace's tidal theory to the evolution of lunar and solar tides on the geologic timescale of Earth's rotation and focus on the tidal resonance. We study the global tide in the mid-ocean far away from continents. On the short…

地球与行星天体物理 · 物理学 2021-03-31 Xing Wei

Gravitational tidal interactions drive long-term rotational and orbital evolution in planetary systems, in multiple (particularly close binary) star systems and in planetary moon systems. Dissipation of tidal flows in Earth's oceans is…

地球与行星天体物理 · 物理学 2025-04-16 Adrian J. Barker

We provide a method to calculate the evolution of an eccentric and inclined orbit under the magnetic effect. Taking the unipolar interaction as an example, we study both coplanar and inclined orbits. We calculate the Lorentz force and then…

地球与行星天体物理 · 物理学 2025-07-29 Xing Wei

We assess the importance of tidal evolution and its interplay with magnetic braking in the population of hot-Jupiter planetary systems. By minimizing the total mechanical energy of a given system under the constraint of stellar angular…

地球与行星天体物理 · 物理学 2015-01-28 C. Damiani , A. F. Lanza