Results 1 to 10 of about 152 (128)
UV-Induced Formation of Ice XI Observed Using an Ultra-High Vacuum Cryogenic Transmission Electron Microscope and its Implications for Planetary Science [PDF]
Frontiers in Chemistry, 2021 The occurrence of hydrogen atom-ordered form of ice Ih, ice XI, in the outer Solar System has been discussed based on laboratory experiments because its ferroelectricity influences the physical processes in the outer Solar System.
Akira Kouchi +12 more
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A Past Episode of Rapid Tidal Evolution of Enceladus?
The Planetary Science Journal, 2023 Saturn possesses a dynamically rich system containing numerous moons and impressive rings. Whether the rings of Saturn are much younger than the planet itself has been a long-standing open question; more recently a young age has been proposed for some ...
Matija Ćuk, Maryame El Moutamid
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Polarimetry of Saturnian satellite Enceladus [PDF]
Advances in Astronomy and Space Physics, 2015 We present results of polarimetric observations of Saturn's moon Enceladus carried out from April 14, 2010 to April 13, 2013 in WR spectral band (550-750 nm). We used 2.6-m telescope equipped with a one-channel photoelectric photometer-polarimeter (Crimean Astrophysical Observatory). The measurements were performed at phase angles ranging from 1.65° to
Zaitsev, S.V. +4 more
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Surface ages of mid-size saturnian satellites [PDF]
Icarus, 2016 The observations of the surfaces of the mid sized Saturnian satellites made by Cassini Huygens mission have shown a variety of features that allows study of the processes that took place and are taking place on those worlds. Research of the Saturnian satellite surfaces has clear implications for Saturn history and surroundings.
Di Sisto, Romina Paula +1 more
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A Recent Impact Origin of Saturn’s Rings and Mid-sized Moons
The Astrophysical Journal, 2023 We simulate the collision of precursor icy moons analogous to Dione and Rhea as a possible origin for Saturn’s remarkably young rings. Such an event could have been triggered a few hundred million years ago by resonant instabilities in a previous ...
L. F. A. Teodoro +7 more
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CCD astrometric observations of Saturnian satellites [PDF]
Astronomy & Astrophysics, 2003 Astrometric positions of the first eight largest Saturnian satellites and the Lagrangian satellites Helene, Telesto and Calypso are presented from 493 CCD frames taken at the oppositions in 1995 through 1999. The images were obtained over 27 nights. Observed positions are compared with the calculated ones from Vienne and Duriez TASS 1.7 for the large ...
Veiga, C. H. +4 more
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Modeling the Formation of Selk Impact Crater on Titan: Implications for Dragonfly
The Planetary Science Journal, 2023 Selk crater is an ∼80 km diameter impact crater on the Saturnian icy satellite Titan. Melt pools associated with impact craters like Selk provide environments where liquid water and organics can mix and produce biomolecules like amino acids. It is partly
Shigeru Wakita +5 more
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Astrometric observations of inner Saturnian satellites [PDF]
Astronomy and Astrophysics, 2001 This paper presents observations of four inner Saturnian satellites (SX = Janus, SXI = Epimetheus, SXVI = Prometheus and SXVII = Pandora) made in August and November 1995 during the Earth and Sun crossings of Saturn's ring plane, respectively. The August 1995 data combine data taken with the Adonis optics system mounted on the ESO 3.6-m telescope at La
F. Poulet, B. Sicardy
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Energetic Constraints on Ocean Circulations of Icy Ocean Worlds
The Planetary Science Journal, 2023 Globally ice-covered oceans have been found on multiple moons in the solar system and may also have been a feature of Earth’s past. However, relatively little is understood about the dynamics of these ice-covered oceans, which affect not only the ...
Malte F. Jansen +3 more
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Material Properties of Organic Liquids, Ices, and Hazes on Titan
The Astrophysical Journal Supplement Series, 2023 Titan has a diverse range of materials in its atmosphere and on its surface: the simple organics that reside in various phases (gas, liquid, and ice) and the solid complex refractory organics that form Titan’s haze layers.
Xinting Yu +7 more
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