![Activity cycles grow longer and weaker as stars become less active over time. [Data from Isaacson+ 2024, 2025].](https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:55s4etj5np7yrntf6ftyoade/bafkreicgrcj7nbgchovighqrkwzuk36j7l5vdrrpy6hvh2zdlmth4npfjm@jpeg)
Activity cycles grow longer and weaker as stars become less active over time. [Data from Isaacson+ 2024, 2025].
I'll be visiting New Mexico later this week, giving an astronomy colloquium about what happens to stellar dynamos toward the end of main-sequence lifetimes. astro.nmsu.edu/events/collo...
30.09.2025 20:53 — 👍 0 🔁 0 💬 0 📌 0
I'm not an attorney, but from what I understand the relevant legal difference is between changing the rules on existing contracts versus updating the rules for future contracts.
25.09.2025 17:35 — 👍 0 🔁 0 💬 0 📌 0
Looking forward to giving the LASP seminar this afternoon, 1:00pm in SPSC-N100 and on zoom (preview of an astronomy colloquium next week at NMSU). lasp.colorado.edu?science-semi...
25.09.2025 13:59 — 👍 1 🔁 0 💬 1 📌 0
Australian astronomer
he/him
Sydney/Gadi
Astronomer, sometimes TV person, and one half of Science Vs. Cinema
AI Astrophysicist.
Director of AstroAI
Center for Astrophysics | Harvard & Smithsonian.
Astrophysicist & associate prof at the University of Colorado Boulder. I study the hot, expanding outer atmospheres of the Sun & other stars. Other weird stuff (infinite math? sci-fi? Tolkien? Harlan Ellison? Hesse's Glass Bead Game?) may show up here, too
Distinguished Professor of Astronomy at Iowa State, Yankee fan, bicycle rider, and a Dad.
Astrophysicist, exoplanet enthusiast.
Astronomer and star aficionado, sometime sailor, classicist, engineer, husband, father, teacher. UChicago professor, retired Navy Captain.
Blogger, writer, business coach and consultant. Love music, movies, traveling, culture and sports. Once a journalist. Cat Lover!
Technical Lead of the IAU Minor Planet Center, at the Center for Astrophysics | Harvard & Smithsonian. He/him. https://newton.cx/~peter/
Always be looking up. Former Texan, current Assistant Professor of Astronomy at Boston University. https://sites.bu.edu/buwd/
Astronomer at UNSW Sydney. I like stars, planets, my dog, running, cycling, and yapping.
Chicagoan living in Australia
Scientist and former Karl Schwarzschild fellow at the Leibniz Institute for Astrophysics Potsdam. Previously, postdoctoral researcher at the Center for Astrophysics | Harvard & Smithsonian and PhD Student at the European Southern Observatory.
Postdoctoral Researcher at CEA Paris-Saclay (LDE3). ERC WholeSun. Investigating the outflow of plasma from the Sun & other stars. Formerly ERC AWESoMeStars PhD.
Astrophysicist (solar/stellar) @SwRI in Boulder, CO. Instrumentalist, data jockey, programmer. Gamer. Nerd. Vell, I'm just zis guy, you know? | PI @CubIXSS @citizenCATE2024
Assistant Professor at Johns Hopkins in the Department of Physics and Astronomy | astronomer, educator, runner, mom | Pronouns: she/her
MAST archives UV/optical/IR data from NASA missions, contributed science products, and analysis tools. https://archive.stsci.edu
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