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Alignment of Protostars and Circumstellar Disks During the Embedded Phase
Christopher Spalding, Konstantin Batygin, Fred C. Adams
Star formation proceeds via the collapse of a molecular cloud core over multiple dynamical timescales. Turbulence within cores results in a spatially non-uniform angular momentum o…
Chaotic Disintegration of the Inner Solar System
Konstantin Batygin, Alessandro Morbidelli, Mathew J. Holman
On timescales that greatly exceed an orbital period, typical planetary orbits evolve in a stochastic yet stable fashion. On even longer timescales, however, planetary orbits can sp…
Pre-LHB Evolution of the Earth's Obliquity
Gongjie Li, Konstantin Batygin
The Earth's obliquity is stabilized by the Moon, which facilitates a rapid precession of the Earth's spin-axis, de-tuning the system away from resonance with orbital modulation. It…
Non-Axisymmetric Flows on Hot Jupiters with Oblique Magnetic Fields
Konstantin Batygin, Sabine Stanley
Giant planets that reside in close proximity to their host stars are subject to extreme irradiation, which gives rise to thermal ionization of trace Alkali metals in their atmosphe…
Early Excitation of Spin-Orbit Misalignments in Close-in Planetary Systems
Christopher Spalding, Konstantin Batygin
Continued observational characterization of transiting planets that reside in close proximity to their host stars has shown that a substantial fraction of such objects posses orbit…
Spin-Orbit angle distribution and the origin of (mis)aligned hot Jupiters
Aurélien Crida, Konstantin Batygin
For 61 transiting hot Jupiters, the projection of the angle between the orbital plane and the stellar equator (called the spin-orbit angle) has been measured. For about half of the…