Matches in SemOpenAlex for { <https://semopenalex.org/work/W4311486609> ?p ?o ?g. }
- W4311486609 abstract "The five large moons of Uranus are important targets for future spacecraft missions. To motivate and inform the exploration of these moons, we model their internal evolution, present-day physical structures, and geochemical and geophysical signatures that may be measured by spacecraft. We predict that if the moons preserved liquid until present, it is likely in the form of residual oceans less than 30 km thick in Ariel, Umbriel, and less than 50 km in Titania, and Oberon. The preservation of liquid strongly depends on material properties and, potentially, on dynamical circumstances that are presently unknown. Miranda is unlikely to host liquid at present unless it experienced tidal heating a few tens of million years ago. We find that since the thin residual layers may be hypersaline, their induced magnetic fields could be detectable by future spacecraft-based magnetometers. However, if the ocean is maintained primarily by ammonia, and thus well below the water freezing point, then its electrical conductivity may be too small to be detectable by spacecraft. Lastly, our calculated tidal Love number (k2) and dissipation factor (Q) are consistent with the Q/k2 values previously inferred from dynamical evolution models. In particular, we find that the low Q/k2 estimated for Titania supports the hypothesis that Titania currently holds an ocean." @default.
- W4311486609 created "2022-12-26" @default.
- W4311486609 creator A5000070232 @default.
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- W4311486609 date "2023-01-01" @default.
- W4311486609 modified "2023-10-14" @default.
- W4311486609 title "Compositions and Interior Structures of the Large Moons of Uranus and Implications for Future Spacecraft Observations" @default.
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