Juno spacecraft gravity measurements provide evidence for normal modes of Jupiter

Autor: Daniele Durante, Tristan Guillot, Luciano Iess, David J. Stevenson, Christopher R. Mankovich, Steve Markham, Eli Galanti, Yohai Kaspi, Marco Zannoni, Luis Gomez Casajus, Giacomo Lari, Marzia Parisi, Dustin R. Buccino, Ryan S. Park, Scott J. Bolton

Publikováno v: Nature Communications, Vol 13, Iss 1, Pp 1-8 (2022)

Juno spacecraft experienced unknown accelerations near the closest approach to Jupiter. Here, the authors show that Jupiter’s axially symmetric, north-south asymmetric gravity field measured by Juno is perturbed by a time-variable component, associ

Externí odkaz: https://doaj.org/article/b82ea36e2b554861b641a436db72891d

Orbit determination methods for interplanetary missions: development and use of the Orbit14 software

Autor: Giacomo Lari, Giulia Schettino, Daniele Serra, Giacomo Tommei

Publikováno v: Experimental Astronomy. 53:159-208

In the last years, a new generation of interplanetary space missions have been designed for the exploration of the solar system. At the same time, radio-science instrumentation has reached an unprecedented level of accuracy, leading to a significant

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b15ad193c255ac8a5f9940d4177db8ab
https://doi.org/10.1007/s10686-021-09823-8

The large obliquity of Saturn explained by the fast migration of Titan

Autor: Gwenaël Boué, Giacomo Lari, Melaine Saillenfest

Publikováno v: Nature Astronomy
Nature Astronomy, 2021, 5, pp.345-349. ⟨10.1038/s41550-020-01284-x⟩
Nature Astronomy, Nature Publishing Group, 2021, 5, pp.345-349. ⟨10.1038/s41550-020-01284-x⟩

The obliquity of a planet is the tilt between its equator and its orbital plane. Giant planets are expected to form with near-zero obliquities. After its formation, some dynamical mechanism must therefore have tilted Saturn up to its current obliquit

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::115aeef43ab7e655f80cebd0acb132a5
http://arxiv.org/abs/2110.04104

IMEX_SfloW2D 1.0: a depth-averaged numerical flow model for pyroclastic avalanches

Autor: Giacomo Lari, Tomaso Esposti Ongaro, Mattia de' Michieli Vitturi, Alvaro Aravena

Publikováno v: Geoscientific Model Development, Vol 12, Pp 581-595 (2019)

Pyroclastic avalanches are a type of granular flow generated at active volcanoes by different mechanisms, including the collapse of steep pyroclastic deposits (e.g., scoria and ash cones), fountaining during moderately explosive eruptions, and crumbl

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0d7bcc9261a6aa0c335786454c0cbdd7
https://www.geosci-model-dev.net/12/581/2019/gmd-12-581-2019.pdf

Long-term evolution of the Galilean satellites: the capture of Callisto into resonance

Autor: Giacomo Lari, Marco Fenucci, Melaine Saillenfest

Publikováno v: Astronomy and Astrophysics-A&A
Astronomy and Astrophysics-A&A, EDP Sciences, 2020, 639, pp.A40. ⟨10.1051/0004-6361/202037445⟩
Astronomy & Astrophysics
Astronomy and Astrophysics-A&A, 2020, 639, pp.A40. ⟨10.1051/0004-6361/202037445⟩

Context. The strong tidal dissipation in the couple Jupiter-Io is spread to all the moons involved in the Laplace resonance (Io, Europa, and Ganymede), leading to a migration of their orbits. Aims. We aim to characterize the future behavior of the Ga

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::65eee6f26c14951b4423e1c6cb249946
https://hal.archives-ouvertes.fr/hal-02987249