Results 11 to 20 of about 16,797 (229)
Mapping out the time-evolution of exoplanet processes [PDF]
There are many competing theories and models describing the formation, migration and evolution of exoplanet systems. As both the precision with which we can characterize exoplanets and their host stars, and the number of systems for which we can make ...
Beichman, Charles +4 more
core +3 more sources
Atmospheric Escape and the Evolution of Close-In Exoplanets [PDF]
Exoplanets with substantial hydrogen/helium atmospheres have been discovered in abundance, many residing extremely close to their parent stars. The extreme irradiation levels that these atmospheres experience cause them to undergo hydrodynamic atmospheric escape.
James E. Owen
openalex +8 more sources
Thermal evolution of rocky exoplanets with a graphite outer shell [PDF]
The presence of rocky exoplanets with a large refractory carbon inventory is predicted by chemical evolution models of protoplanetary disks of stars with photospheric C/O >0.65, and by models studying the radial transport of refractory carbon. High-pressure high-temperature laboratory experiments show that most of the carbon in these exoplanets ...
Kaustubh Hakim +5 more
openalex +9 more sources
Obliquity Evolution of the Potentially Habitable Exoplanet Kepler-62f [PDF]
15 pages, 17 figures, 5 tables; Revised relative to Referee Reports.
Billy Quarles +3 more
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Stellar rotation and its connection to the evolution of hydrogen‐dominated atmospheres of exoplanets [PDF]
AbstractThe population of known low‐ to intermediate‐mass exoplanets shows a large spread in densities, which is believed to be due to the diversity of planetary atmospheres and thus controlled by planetary atmospheric mass loss. One of the main drivers of long‐term atmospheric escape is the absorption of high‐energy X‐ray + extreme ultraviolet (XUV ...
Daria Kubyshkina
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The evolution of stellar surface activity and possible effects on exoplanets [PDF]
AbstractThe evolution of stellar activity involves a complex interplay between the interior dynamo mechanism, the emergent magnetic field configurations and their coupling with stellar winds, the subsequent angular momentum evolution, and fundamental stellar parameters.
M. S. Giampapa
openalex +3 more sources
Effect of Galactic Chemical Evolution on Exoplanet Properties [PDF]
14 pages (including appendix), submitted to AAS ...
Jason H. Steffen +4 more
+5 more sources
The Origin and Evolution of Saturn, with Exoplanet Perspective [PDF]
36 pages, 9 figures, 3 tables (Table 1 wide)
S. K. Atreya +5 more
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Tidal Evolution of Close-in Exoplanets and Host Stars
ABSTRACT The evolution of exoplanetary systems with a close-in planet is ruled by the tides mutually raised on the two bodies and by the magnetic braking of the host star. This paper deals with consequences of this evolution and some features that can be observed in the distribution of the systems' two main periods: the orbital period ...
S. Ferraz‐Mello, C. Beaugé
openalex +5 more sources
Using Venus, Earth, and Mars to Understand Exoplanet Volatile and Climate Evolution
Abstract Venus, Earth, and Mars exhibit a wide range of interactions between their deep interiors, surfaces, lower and upper atmospheres, and the Sun, with commensurate variations in the nature of their atmospheres and evolution of their volatiles. By examining these worlds' characteristics and behavior, we can gain some understanding of the breadth of
B. M. Jakosky, P. K. Byrne
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