Zobrazeno 1 - 10
of 387
pro vyhledávání: '"Alessandro, Morbidelli"'
Publikováno v:
The Astrophysical Journal Letters, Vol 966, Iss 1, p L8 (2024)
The solar system’s distant reaches exhibit a wealth of anomalous dynamical structure, hinting at the presence of a yet-undetected, massive trans-Neptunian body—Planet Nine (P9). Previous analyses have shown how orbital evolution induced by this o
Externí odkaz:
https://doaj.org/article/3aa8a35d9be04a51bd073427d84d9126
Publikováno v:
The Astrophysical Journal, Vol 972, Iss 2, p 181 (2024)
For the origin of the radially concentrated solar system’s terrestrial planets, planet formation from a ring of solids at about 1 au from the Sun with convergent/suppressed type I migration is preferred. On the other hand, many super-Earths and sub
Externí odkaz:
https://doaj.org/article/8c03b24ed8534b4f97d85d4ca770bf59
Publikováno v:
The Astrophysical Journal, Vol 967, Iss 1, p 1 (2024)
Mercury is notoriously difficult to form in Solar System simulations, due to its small mass and iron-rich composition. Smooth particle hydrodynamics simulations of collisions have found that a Mercury-like body could be formed by one or multiple gian
Externí odkaz:
https://doaj.org/article/092e2544bfef4a1eaddfe75e0f9c7d16
Autor:
William F. Bottke, David Vokrouhlický, David Nesvorný, Raphael Marschall, Alessandro Morbidelli, Rogerio Deienno, Simone Marchi, Michelle Kirchoff, Luke Dones, Harold F. Levison
Publikováno v:
The Planetary Science Journal, Vol 5, Iss 4, p 88 (2024)
The origins of the giant planet satellites are debated, with scenarios including formation from a protoplanetary disk, sequential assembly from massive rings, and recent accretion after major satellite–satellite collisions. Here, we test their pred
Externí odkaz:
https://doaj.org/article/cdc07a077a9440ac97b73119fe9f9e07
Autor:
William F. Bottke, David Vokrouhlický, Raphael Marschall, David Nesvorný, Alessandro Morbidelli, Rogerio Deienno, Simone Marchi, Luke Dones, Harold F. Levison
Publikováno v:
The Planetary Science Journal, Vol 4, Iss 9, p 168 (2023)
The tumultuous early era of outer solar system evolution culminated when Neptune migrated across the primordial Kuiper Belt (PKB) and triggered a dynamical instability among the giant planets. This event led to the ejection of ∼99.9% of the PKB (he
Externí odkaz:
https://doaj.org/article/17a3eb0a82994695bcb959d9068cc1ef
Autor:
David Nesvorný, Rogerio Deienno, William F. Bottke, Robert Jedicke, Shantanu Naidu, Steven R. Chesley, Paul W. Chodas, Mikael Granvik, David Vokrouhlický, Miroslav Brož, Alessandro Morbidelli, Eric Christensen, Frank C. Shelly, Bryce T. Bolin
Publikováno v:
The Astronomical Journal, Vol 166, Iss 2, p 55 (2023)
Near-Earth Objects (NEOs) are a transient population of small bodies with orbits near or in the terrestrial planet region. They represent a mid-stage in the dynamical cycle of asteroids and comets, which starts with their removal from the respective
Externí odkaz:
https://doaj.org/article/45815638a623486487bc957eefe4502a
Autor:
Alessandro, Morbidelli, Brasser, Ramon, Tsiganis, Kleomenis, Gomes, Rodney, Levison, Harold F.
Using numerical simulations, we show that smooth migration of the giant planets through a planetesimal disk leads to an orbital architecture that is inconsistent with the current one: the resulting eccentricities and inclinations of their orbits are
Externí odkaz:
http://arxiv.org/abs/0909.1886
By examining the absolute magnitude (H) distributions (hereafter HD) of the cold and hot populations in the Kuiper belt and of the Trojans of Jupiter, we find evidence that the Trojans have been captured from the outer part of the primordial trans-Ne
Externí odkaz:
http://arxiv.org/abs/0903.0923
The recent discovery of the 2003EL61 collisional family in the Kuiper belt (Brown et al., 2007) is surprising because the formation of such a family is a highly improbable event in today's belt. Assuming Brown et al.'s estimate of the size of progeni
Externí odkaz:
http://arxiv.org/abs/0809.0553
We study the possibility that the mutual interactions between Jupiter and Saturn prevented Type II migration from driving these planets much closer to the Sun. Our work extends previous results by Masset and Snellgrove (2001), by exploring a wider se
Externí odkaz:
http://arxiv.org/abs/0704.1210