Alvaro Hacar

cosmicfiber.bsky.social

20 October 2026 21:58

In case of doubt, better mix it with SODA (paper IV). David Krebs found fast mm-flux variability in proto-planetary disks in scales of hours ⏰. His MSc thesis was a crazy ALMA experiment to implement a time-domain analysis from standard observations, and it worked out! 😱 arxiv.org/abs/2610.23640

Gijs D Mulders

gijsmulders.com

20 October 2026 01:27

The answer: zoom in far enough, and structure appears! 4 of the 11 disks show clear rings, gaps or cavities within 10 au of the star (Sz 73, Sz 88A, Sz 97, Sz 112), with hints in 3 more 4/🧵

Gijs D Mulders

gijsmulders.com

20 October 2026 01:26

Do small planet-forming disks hide the same rings and gaps as the big famous ones? We used ALMA to zoom in on 11 of the smallest disks, down to ~2 au A thread #exoplanets 1/🧵

Physics and Astronomy SEA Change

physastroseachange.bsky.social

20 October 2026 01:26

docs.google.com/forms/d/e/1F... We are recruiting US-based physics and astronomy departments and TYC physics programs to take the steps to address unnecessary barriers in their ecoystem.

Electronic Frontier Foundation

eff.org

18 October 2026 15:49

The current U.S. administration is using AI to surveil the social media accounts of noncitizens for views it doesn’t like. We’re challenging that in court, and we just won a big early ruling. Read our deep dive on the decision: www.eff.org/deeplinks/2...