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astro-ph.EP2022
Possible in situ formation of Uranus and Neptune via Pebble Accretion
Claudio Valletta, Ravit Helled
The origin of Uranus and Neptune is still unknown. In particular, it has been challenging for planet formation models to form the planets in their current radial distances within t…
astro-ph.EP2022★ 12 cited
A low accretion efficiency of planetesimals formed at planetary gap edges
Linn E. J. Eriksson, Thomas Ronnet, Anders Johansen +3
Observations and models of giant planets indicate that such objects are enriched in heavy elements compared to solar abundances. The prevailing view is that giant planets accreted…