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Andrew Skemer

2 articles · 30 co-authors · latest: 2026-01-09

Dust Storms on a Rogue Planet

VHS 1256B is a giant planet, drifting alone in the dark. Its brightness swings by 40% due to global storms of scorching sand. Data from the James Webb telescope and computer models showed that dust clouds blanket the planet entirely, explaining the strange changes in its light and color. This discov
arXiv:2511.23163 · 2025-11-28

How Giant Planets Kept Their Rapid Spin

Measurements of 32 celestial bodies revealed that giant planets spin almost at the brink of tearing apart because their gaseous cocoon barely slowed them down in their youth. Brown dwarfs, on the contrary, lost spin due to a denser disk. Moreover, planets don't depend on proximity to a star, while c
arXiv:2601.05976v3 · 2026-01-09