Zobrazeno 1 - 10
of 34
pro vyhledávání: '"Rufu, Raluca"'
Autor:
Rufu, Raluca, Canup, Robin M.
Publikováno v:
The Astrophysical Journal 2022
The origin of the Uranian satellite system remains uncertain. The four major satellites have nearly circular, co-planar orbits and the ratio of the satellite system and planetary mass resembles Jupiter's satellite system, suggesting the Uranian syste
Externí odkaz:
http://arxiv.org/abs/2204.00124
Publikováno v:
Icarus 2021
Impacts between planetary-sized bodies can explain the origin of satellites orbiting large ($R>500$~km) trans-Neptunian objects. Their water rich composition, along with the complex phase diagram of water, make it important to accurately model the wi
Externí odkaz:
http://arxiv.org/abs/2109.05051
Autor:
Canup, Robin M., Righter, Kevin, Dauphas, Nicolas, Pahlevan, Kaveh, Ćuk, Matija, Lock, Simon J., Stewart, Sarah T., Salmon, Julien, Rufu, Raluca, Nakajima, Miki, Magna, Tomáš
The Earth-Moon system is unusual in several respects. The Moon is roughly 1/4 the radius of the Earth - a larger satellite-to-planet size ratio than all known satellites other than Pluto's Charon. The Moon has a tiny core, perhaps with only ~1% of it
Externí odkaz:
http://arxiv.org/abs/2103.02045
Autor:
Rufu, Raluca, Canup, Robin M.
Publikováno v:
JGR-planets 2020
Forming the Moon by a high-angular momentum impact may explain the Earth-Moon isotopic similarities, however, the post-impact angular momentum needs to be reduced by a factor of 2 or more to the current value (1 L_EM) after the Moon forms. Capture in
Externí odkaz:
http://arxiv.org/abs/2008.02968
Publikováno v:
JGR-Planets 2020
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 requires subse
Externí odkaz:
http://arxiv.org/abs/2005.00587
Autor:
Rufu, Raluca, Aharonson, Oded
Publikováno v:
JGR-Planets 2019
Current lunar origin scenarios suggest that Earth's Moon may have resulted from the merger of two (or more) smaller moonlets. Dynamical studies of multiple moons find that these satellite systems are not stable, resulting in moonlet collision or loss
Externí odkaz:
http://arxiv.org/abs/1904.02105
Publikováno v:
nature geoscience 2017
The hypothesis of lunar origin by a single giant impact can explain some aspects of the Earth-Moon system. However, it is difficult to reconcile giant impact models with the compositional similarity of the Earth and Moon without violating angular mom
Externí odkaz:
http://arxiv.org/abs/1903.02525
Autor:
Rufu, Raluca, Canup, Robin M.
Publikováno v:
2017 AJ 154 208
The Neptunian satellite system is unusual. The major satellites of Jupiter, Saturn, and Uranus are all in prograde, low-inclination orbits. Neptune on the other hand, has the fewest satellites, and most of the system's mass is within one irregular sa
Externí odkaz:
http://arxiv.org/abs/1711.01581
Publikováno v:
In Icarus 1 January 2022 371
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