Results 81 to 90 of about 123,043 (207)

Most High-density Exoplanets Are Unlikely to Be Remnant Giant Planet's Cores

open access: yesThe Astrophysical Journal Letters
Some exoplanets have much higher densities than expected from stellar abundances of planet-forming elements. There are two theories—metal-rich formation hypothesis and naked core hypothesis—that explain how formation and evolution can alter the ...
Zifan Lin, Saverio Cambioni, Sara Seager
doaj   +1 more source

Formation of Ultra-short-period Planets in Hot Jupiter Systems: Application to WASP-47

open access: yesThe Astrophysical Journal Letters
The WASP-47 system is notable as the first known system hosting both inner and outer low-mass planetary companions around a hot Jupiter, with an ultra-short-period (USP) planet as the innermost planetary companion.
Su Wang   +4 more
doaj   +1 more source

A survey of young, nearby, and dusty stars conducted to understand the formation of wide-orbit giant planets [PDF]

open access: bronze, 2013
Julien Rameau   +9 more
openalex   +1 more source

Tidal Dissipation in Stratified and Semi-convective Regions of Giant Planets [PDF]

open access: gold, 2023
Christina M. Pontin   +2 more
openalex   +1 more source

Quantifying External Energy Inputs for Giant Planet Magnetospheres

open access: yesGeophysical Research Letters
The long‐standing “energy crisis” at the giant planets refers to the anomalous heating of planetary thermospheres compared to the available energy from solar irradiance. The coupling between planetary magnetospheres and their upper atmospheres is thought
Daniel J. Gershman, Gina A. DiBraccio
doaj   +1 more source

How Well Do We Understand the Belt/Zone Circulation of Giant Planet Atmospheres? [PDF]

open access: yesSpace Sci Rev, 2020
Fletcher LN   +3 more
europepmc   +1 more source

Overcoming migration during giant planet formation

open access: yes, 2007
In the core accretion model, gas giant formation is a race between growth and migration; for a core to become a jovian planet, it must accrete its envelope before it spirals into the host star.
Edward W. Thommes   +3 more
core   +1 more source

Giant Planet Atmospheres and Spectra [PDF]

open access: green, 2009
Adam Burrows, Glenn S. Orton
openalex   +1 more source

APPLE: An Evolution Code for Modeling Giant Planets

open access: yesThe Astrophysical Journal
We introduce APPLE , a novel planetary evolution code designed specifically for the study of giant exoplanet and Jovian planet evolution in the era of Galileo, Juno, and Cassini. With APPLE , state-of-the-art equations of state for hydrogen, helium, ice,
Ankan Sur   +4 more
doaj   +1 more source

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