Results 1 to 10 of about 3,435,437 (144)

Convective outgassing efficiency in planetary magma oceans: Insights from computational fluid dynamics [PDF]

open access: yesIcarus (New York, N.Y. 1962), 2022
Planetary atmospheres are commonly thought to result from the efficient outgassing of cooling magma oceans. During this stage, vigorous convective motions in the molten interior are believed to rapidly transport the dissolved volatiles to shallow depths ...
A. Salvador, H. Samuel
semanticscholar   +1 more source

Insights into the planetary dynamics of HD 206893 with ALMA [PDF]

open access: yesMonthly notices of the Royal Astronomical Society, 2020
Radial substructure in the form of rings and gaps has been shown to be ubiquitous among protoplanetary discs. This could be the case in exo-Kuiper belts as well, and evidence for this is emerging.
Sebastián Marino   +10 more
semanticscholar   +1 more source

Oceanic and super-deep continental diamonds share a transition zone origin and mantle plume transportation

open access: yesScientific Reports, 2021
Rare oceanic diamonds are believed to have a mantle transition zone origin like super-deep continental diamonds. However, oceanic diamonds have a homogeneous and organic-like light carbon isotope signature (δ13C − 28 to − 20‰) instead of the extremely ...
Luc S. Doucet   +2 more
doaj   +1 more source

Hybrid symplectic integrators for planetary dynamics [PDF]

open access: yesMonthly notices of the Royal Astronomical Society, 2019
Hybrid symplectic integrators such as MERCURY are widely used to simulate complex dynamical phenomena in planetary dynamics that could otherwise not be investigated.
H. Rein   +8 more
semanticscholar   +1 more source

High-order symplectic integrators for planetary dynamics and their implementation in rebound [PDF]

open access: yesMonthly notices of the Royal Astronomical Society, 2019
Direct N-body simulations and symplectic integrators are effective tools to study the long-term evolution of planetary systems. The Wisdom–Holman (WH) integrator in particular has been used extensively in planetary dynamics as it allows for large time ...
H. Rein, D. Tamayo, Garett Brown
semanticscholar   +1 more source

On quasi-satellite periodic motion in asteroid and planetary dynamics [PDF]

open access: yesCelestial mechanics & dynamical astronomy, 2018
Applying the method of analytical continuation of periodic orbits, we study quasi-satellite motion in the framework of the three-body problem. In the simplest, yet not trivial model, namely the planar circular restricted problem, it is known that quasi ...
G. Voyatzis, K. Antoniadou
semanticscholar   +1 more source

The Great Oxygenation Event as a consequence of ecological dynamics modulated by planetary change

open access: yesNature Communications, 2021
The Great Oxygenation Event (GOE), ca. 2.4 billion years ago, transformed life and environments on Earth. Its causes, however, are debated. We mathematically analyze the GOE in terms of ecological dynamics coupled with a changing Earth.
Jason W. Olejarz   +3 more
semanticscholar   +1 more source

Multi-Body Dynamics Modeling and Analysis of Planetary Gearbox Combination Failure Based on Digital Twin

open access: yesApplied Sciences, 2022
Existing studies on the dynamic characteristics of planetary gearboxes are generally based on traditional modeling methods. The models were idealized because of various uncertain factors that affect the dynamic characteristics of the planetary gearbox ...
Daoyong Zhu, Zhinong Li, N. Hu
semanticscholar   +1 more source

Stable Brine Layers beneath Europa’s Chaos

open access: yesThe Planetary Science Journal, 2023
The formation mechanism of Europa’s large chaos terrain (>∼100 km diameter) and associated lenticulae (
C. J. Chivers   +2 more
doaj   +1 more source

Implications of the interstellar object 1I/'Oumuamua for planetary dynamics and planetesimal formation [PDF]

open access: yes, 2017
'Oumuamua, the first bona-fide interstellar planetesimal, was discovered passing through our Solar System on a hyperbolic orbit. This object was likely dynamically ejected from an extrasolar planetary system after a series of close encounters with gas ...
S. Raymond   +4 more
semanticscholar   +1 more source

Home - About - Disclaimer - Privacy