Numerical experiments on thermal convection of highly compressible fluids with variable viscosity and thermal conductivity: Implications for mantle convection of super-Earths
Sign Up to like & getrecommendations! Published in 2018 at "Physics of the Earth and Planetary Interiors"
DOI: 10.1016/j.pepi.2017.11.001
Abstract: Abstract We conduct a series of numerical experiments of thermal convection of highly compressible fluids in a two-dimensional rectangular box, in order to study the mantle convection on super-Earths. The thermal conductivity and viscosity are… read more here.
Keywords: viscosity; convection; super earths; thermal conductivity ... See more keywords
The origins of nearly coplanar, non-resonant systems of close-in super-Earths
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DOI: 10.1093/mnras/staa2112
Abstract: Some systems of close-in "super-Earths" contain five or more planets on non-resonant but compact and nearly coplanar orbits. The Kepler-11 system is an iconic representative of this class of system. It is challenging to explain… read more here.
Keywords: systems close; close super; super earths; non resonant ... See more keywords
Temperature inversions on hot super-Earths: the case of CN in nitrogen-rich atmospheres
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DOI: 10.1093/mnras/staa3415
Abstract: We show that in extremely irradiated atmospheres of hot super-Earths shortwave absorption of CN can cause strong temperature inversions. We base this study on previous observations of 55 Cancri e, which lead us to believe… read more here.
Keywords: nitrogen rich; hot super; chemistry; super earths ... See more keywords
Surface pressure impact on nitrogen-dominated USP super-Earths atmospheres
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DOI: 10.1093/mnras/stad1034
Abstract: In this paper, we compare the chemistry and the emission spectra of nitrogen-dominated cool, warm, and hot Ultra-Short-Period (USP) super-Earth atmospheres in and out of chemical equilibrium at various surface pressure scenarios ranging from 10−1… read more here.
Keywords: nitrogen dominated; super earths; dominated usp; usp super ... See more keywords
Formation of compact systems of super-Earths via dynamical instabilities and giant impacts
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DOI: 10.1093/mnras/stz3296
Abstract: NASA's Kepler mission discovered $\sim700$ planets in multi-planet systems containing 3 or more transiting bodies, many of which are super-Earths and mini-Neptunes in compact configurations. Using $N$-body simulations, we examine the in situ, final stage… read more here.
Keywords: kepler; giant impacts; super earths; formation compact ... See more keywords
Planetary Magnetic Fields and Habitability in Super Earths
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DOI: 10.1515/astro-2018-0026
Abstract: Abstract This work seeks to summarize some special aspects of a type of exoplanets known as super-Earths (SE), and the direct influence of these aspects in their habitability. Physical processes like the internal thermal evolution… read more here.
Keywords: magnetic fields; fields habitability; habitability; planetary magnetic ... See more keywords