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Two exciting seminars next week at UW-Madison Astronomy by Dr. Jon Arenberg. Join us if you're in the area and learn more about JWST! NASA’s James Webb Space Telescope March 3 @ 12 pm, 6515 Sterling Hall The Importance of Communication March 4 @ 10 am, 4421 Sterling Hall

I would like to highlight that this work was led by UW-Madison Astronomy post-bac student Alyssa Jankowski, and also featured contributions by Zijun He, a high school student at Madison West High School. Congratulations to both of them on their accomplishments!

Among the surprises of the galactic planetary census are “super-puffs” — low-mass planets with giant radii. One of the best characterized (and most mysterious) is WASP-107b. It is also the subject of my new paper: arxiv.org/pdf/2505.01581. Brief thread below.

Can FU Orionis outbursts scorch planets into becoming iron-rich and ultra-short-period? We model how extreme heat & turbulence during these events can strip planetary mantles — reshaping planetary composition & sizes forever. arxiv.org/abs/2504.16772

By fusing constraints from satellite dynamics and spin angular momentum, Konstantin Batygin & Adams show that young Jupiter had a radius twice its current value, a ~21 mT magnetic field, and was accreting material at a rate of one Jupiter mass per million years. bit.ly/45jEbUg

Why do some Hot Jupiters have nearby companions while others appear alone? Our new paper led by Thomas MacLean (senior UG off to Stanford) explores how stellar spin-down and system architectures affect the visibility of inner & outer companions. Read more: arxiv.org/abs/2505.11637

Check out my new paper in PASP! (Also thanks to the Big Ten Academic Alliance for making Open Access page charges free in PASP for any Big Ten researcher)

A recent open-access article published in Publications of the Astron Society of the Pacific presents general analytic solutions for the surface density distributions of circumplanetary disks during the late stages of giant planet formation. iopscience.iop.org/article/10.108…. -JGM

Submitted✅ Peer Reviewed✅ Accepted✅ The The Planetary Science Journal has accepted Christiansen et al. (2025), an updated summary of the archive's data, services, and tools since Akeson et al. (2013). Please use Christiansen et al. (2025) for all future citations. ui.adsabs.harvard.edu/abs/2025arXiv2…

Do you use the IPAC NASA Exoplanet Archive as much as I do?? If so, here is a new paper to cite in papers using the database.

Check out this 12-paper series out today from the AGE-PRO collaboration. Congrats to everyone (including Coco Zhang from UW Madison) on the huge amount of work that went into this interesting result!! It might take me a while to read all 12 papers though! public.nrao.edu/news/alma-plan…