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American Astronomical Society (AAS) @aas.org · 30/09/2026

#AAS249 Your research, center stage in Salt Lake City. Planning to submit an iPoster for the 249th AAS meeting in Salt Lake City? The abstract deadline has been extended to 5 October. Students entering the Chambliss competition, your abstract is due by the same deadline. aas.org/meetings/aas... 🔭

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American Astronomical Society (AAS) @aas.org · 30/09/2026

When Science Policy Reaches the Classroom Matt Guthrie, a participant in the Fall 2026 AAS and American Association of Physics Teachers Congressional Visits Day, reflects on his experience engaging in advocacy. aas.org/posts/news/2... 🔭 @policy.aas.org

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American Astronomical Society (AAS) @aas.org · 25/09/2026

🔭 #AAS249 Meet plenary speaker Mary Anne Limbach (U of Michigan) — research focuses on discovering & characterizing planetary systems in unexplored regimes, including cold giant planets, planets around white dwarfs, exomoons & exorings. Join us in Salt Lake! aas.org/meetings/aas249/registration

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American Astronomical Society (AAS) @aas.org · 23/09/2026

IAU General Assembly 2027: Deadlines and Event Highlights The 33rd International Astronomical Union (IAU) General Assembly will be held 10–19 August 2027 in Rome, Italy. Abstract submissions and grant applications are due 15 January 2027. aas.org/posts/news/2... 🔭

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American Astronomical Society (AAS) @aas.org · 22/09/2026

#AAS249 The AAS invites organizations to participate in the Grad Student/REU Fair at the 249th AAS meeting in Salt Lake City, Utah. 📅 Sunday, 10 January 2027 🕠 5:30–7:00 pm MT Last year’s event SOLD OUT before the deadline! Reserve your space by 11 December. aas.org/meetings/aas... 🔭

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American Astronomical Society (AAS) @aas.org · 21/09/2026

This could be you in Salt Lake City. #AAS249 Abstract deadline is 30 Sep by 11:59 pm ET. When you submit your abstract, you'll be asked to choose between an iPoster or a paper poster. Students entering the Chambliss competition, your abstract is due by the same deadline. aas.org/meetings/aas... 🔭

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American Astronomical Society (AAS) @aas.org · 18/09/2026

🔭 #AAS249 Plenary Speaker: Yao-Yuan Mao (茅耀元) Assistant Professor at Univ of Utah, Mao studies low-mass galaxies — developing new observational methods to find these faint systems and using them to probe galaxy evolution & the nature of dark matter. Early reg closes 12 Oct: aas.org/meetings/aas...

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American Astronomical Society (AAS) @aas.org · 18/09/2026

AAS and AAPT members were on Capitol Hill earlier this week advocating for robust federal support for the sciences and STEM education. Amplify their efforts by writing or calling your members of Congress today. aas.org/reject-2027-... 🔭

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American Astronomical Society (AAS) @aas.org · 17/09/2026

JWST UNCOVER Collaboration to Receive 2027 Berkeley Prize The JWST UNCOVER collaboration will receive the 2027 Lancelot M. Berkeley − New York Community Trust Prize for Meritorious Work in Astronomy for its work revealing the contents of the distant universe. aas.org/press/jwst-u... 🔭

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American Astronomical Society (AAS) @aas.org · 16/09/2026

Guess who missed National Voter Registration Day (it was yesterday)! 🫣 We were busy visiting members of Congress on the Hill for Congressional Visits Day. 🎉 Good news: you can still register or update your registration anytime at vote.gov. 🔭

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American Astronomical Society (AAS) @aas.org · 15/09/2026

On the Hill today with AIP and AAPT, advocating for #astronomy and physics education! Every year the AAS brings volunteers to Washington, DC to advocate for their science and the priorities of the astronomical science community with members of Congress. 🔭

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American Astronomical Society (AAS) @aas.org · 14/09/2026

🔭 From @aasnova.org: We’re excited to welcome Alexia Kubas and Lucas Brown to the team as AAS Media Fellows for 2026–2027! aasnova.org/2026/09/14/w...

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American Astronomical Society (AAS) @aas.org · 14/09/2026

The American Astronomical Society today announced that Dr. Emily Levesque (University of Washington) has been confirmed as the next Editor in Chief of the AAS journals. 🔭https://aas.org/press/emily-levesque-named-editor-chief-aas-journals @publishing.aas.org

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American Astronomical Society (AAS) @aas.org · 09/09/2026

🚨 Last call for registrations! AAS Virtual Graduate Admissions Fair is happening 16 September, 3:00–5:00 pm ET, with over 30 departments ready to participate. Registration closes TODAY, Wednesday, 9 September. Don't miss out. There are a few spots remaining. aas.org/meetings/gra...

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American Astronomical Society (AAS) @aas.org · 09/09/2026

🔭 DPS is seeking enthusiastic volunteers (including social media volunteers) to assist with the meeting in Spokane. We welcome applications from undergrads, grads, postdocs & and local amateur astronomers. #DPS2026 Applications due by Friday, 11 September: www.cognitoforms.com/AAS5/DPS58Vo...

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American Astronomical Society (AAS) @aas.org · 08/09/2026

#AAS249 Excited to welcome Anna Ho to the stage! Her work has revealed ultra-bright, short-duration optical flaring tied to a new class of fast blue optical transients — reshaping how we understand the lives & deaths of stars. 🔭 Early reg closes 12 October: aas.org/meetings/aas249/registration

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American Astronomical Society (AAS) @aas.org · 04/09/2026

The Astro Society has named AAS Past President Dara Norman the 2026 Arthur B.C. Walker II Award recipient. The award honors an African American scientist for substantial research contributions & commitment to promoting diversity & inclusion in STEM. Congratulations, Dara! aas.org/posts/news/2... 🔭

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American Astronomical Society (AAS) @aas.org · 03/09/2026

🔭 Meet #AAS249 plenary speaker: Rebecca Charbonneau! Historian at AIP, SETI Institute Fellow, and NRAO scientist studying the history of radio astronomy & technosignatures. Don't miss her talk in Salt Lake City — early registration closes 12 Oct. aas.org/meetings/aas... @rebeccacharbon.bsky.social

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American Astronomical Society (AAS) @aas.org · 03/09/2026

🎥 New #AASJournals Author Series video! Laura Congreve Hunter (Dartmouth) discusses her study on atomic gas turbulence timescales in low-mass galaxies, and what it reveals about the star formation–ISM connection. 🔭 Watch: www.youtube.com/watch?v=gmHS...

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American Astronomical Society (AAS) @aas.org · 03/09/2026

Call for Applications: 2027 Shapley Visiting Lectures Program Applications for the Harlow Shapley Visiting Lectures Program are welcome through 18 September 2026. We are seeking astronomers and host institutions to participate in 2027! aas.org/posts/news/2... 🔭

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American Astronomical Society (AAS) @aas.org · 02/09/2026

#AAS249 Splinter Meeting proposals are due soon! Got an idea for a science or programmatic meeting that doesn't fit the Special Session format? Submit now for the 249th AAS meeting in Salt Lake City. ⏰ Deadline: Thursday, 17 September aas.org/meetings/aas... 🔭

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American Astronomical Society (AAS) @aas.org · 01/09/2026

The AAS welcomes Charlie Mace to the staff as the next John N. Bahcall Public Policy Fellow. Charlie earned a PhD in Physics from The Ohio State University, focusing on numerical simulations of galactic evolution with the goal of constraining the nature of dark matter. aas.org/posts/news/2... 🔭

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American Astronomical Society (AAS) @aas.org · 31/08/2026

🔭 Our new policy blog post shows that the number of astronomical sciences research awards made by NSF has decreased by 57% since last year, corresponding to a 51% reduction in funding. (1/2)

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American Astronomical Society (AAS) @aas.org · 28/08/2026

🔭 Join us in Salt Lake City (10-14 January 2027) for the 249th AAS meeting! Early registration and housing are open — so start planning. Be sure to check out: ✨ Dependent Care Grants ✨ KiddieCorp Children's Program ✨ Discounted hotel group rates aas.org/meetings/aas249 Photo: Visit Salt Lake

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American Astronomical Society (AAS) @aas.org · 27/08/2026

#AAS249 Abstract submission is open! 📢 New this meeting: When you submit your abstract, you'll choose between an iPoster or a paper poster. Students who enter the Chambliss Competition must submit poster abstracts by the 30 September deadline. Only iPosters can compete. aas.org/meetings/aas... 🔭

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American Astronomical Society (AAS) @aas.org · 27/08/2026

New AAS Journal Author Series video! Nathan Whitsett & Tansu Daylan (Washington University) discuss star–planet magnetic interactions — planets triggering flares as they sweep through their host star's Alfvén surface near periastron. 🔭 youtu.be/JVJXGe5x3ks

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American Astronomical Society (AAS) @aas.org · 21/08/2026

🔭 AAS is hosting a Virtual Grad Admissions Fair — and it's FREE to attend. 📅 Wednesday, 16 September, 3:00–5:00 pm ET Please note: Registration is limited to AAS undergraduate & SPS affiliate members only. Spots are limited. Reserve yours before 9 September. 👉 ow.ly/1vml50ZvRIU

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American Astronomical Society (AAS) @aas.org · 20/08/2026

🔭 DPS is seeking enthusiastic volunteers (including social media volunteers) to assist with the meeting in Spokane (25-30 October). We welcome applications from undergrads, grads, postdocs & and local amateur astronomers. #DPS2026 Apply by 11 September: www.cognitoforms.com/AAS5/DPS58Vo...

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American Astronomical Society (AAS) @aas.org · 20/08/2026

Astronomy@250 Conference 🔭 Attend virtually from anywhere in the world on 27-29 August. Three days with some of the top names in astronomy, five programming tracks & networking w/ larger space & astro community. AAS is glad to be an event sponsor! astrosociety.org/events-home/... @astrosociety.org

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American Astronomical Society (AAS) @aas.org · 18/08/2026

The Scientist Network for Advancing Policy (SNAP) is launching a new mini-grant program to support new university-based science policy student organizations as they get off the ground. Applications are due 31 August 2026. aas.org/posts/news/2... 🔭 @snapcoalition.org

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American Astronomical Society (AAS) @aas.org · 17/08/2026

AAS Names C. David Gammel as Next Chief Executive Officer The American Astronomical Society (AAS) today announced that C. David Gammel will become the Society's next Chief Executive Officer, with his tenure expected to begin in early December 2026. aas.org/press/aas-na... 🔭

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American Astronomical Society (AAS) @aas.org · 17/08/2026

#AAS249 Call for Splinter Meetings! Submit your proposals for the 249th AAS meeting, to be held in Salt Lake City, 10–14 January. Splinter Meetings are science or programmatic meetings that do not fit the definition of a Special Session. Proposals are due by 17 September. aas.org/meetings/aas... 🔭

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American Astronomical Society (AAS) @aas.org · 04/08/2026

🔭 DPS is seeking enthusiastic volunteers (including social media volunteers!) to assist with the meeting in October. We welcome applications from undergrads, grads, postdocs & and local amateur astronomers. Apply by Friday, 21 August: www.cognitoforms.com/AAS5/DPS58Vo... 🔭 #DPS2026

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American Astronomical Society (AAS) @aas.org · 03/08/2026

🎥 Do small black holes "downsize" like big ones do? Wen-Juan Liu (Yunnan Observatories, CAS) discusses her study of 930 intermediate-mass black hole AGNs from SDSS DR17 — extending IMBH redshift coverage to z≤0.57 & revealing a "downsizing" trend in accretion activity. youtu.be/XuDQcKP-6KQ 🔭

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American Astronomical Society (AAS) @aas.org · 03/08/2026

Thinking about grad school? AAS is hosting a free Virtual Grad Admissions Fair! 📅 Wed, 16 Sept, 3–5 pm ET 💻 100% virtual & FREE 🎓 20+ depts including Columbia, Michigan, San Diego State Registration is limited to AAS undergrad & SPS affiliate members. Register by 9 Sept: aas.org/meetings/gra... 🔭

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American Astronomical Society (AAS) @aas.org · 03/08/2026

⏰ Last call! Special Session, Workshop, and Town Hall proposals for #AAS249 are due TODAY — Monday, 3 August, 11:59 pm ET. Have an idea for the program? Submit it before time runs out. aas.org/meetings/aas... 🔭

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American Astronomical Society (AAS) @aas.org · 30/07/2026

#AAS249 Special Session, Workshop, and Town Hall proposals are due Monday, 3 August by 11:59 pm ET. AAS meetings feature a variety of sessions and content, and we rely on proposals from the community to build the meeting program. aas.org/meetings/aas...

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American Astronomical Society (AAS) @aas.org · 22/07/2026

The list keeps growing! 24 departments have already signed up for the AAS Virtual Graduate Admissions Fair on Wednesday, 16 September. Is your program on the list? Registration closes Tuesday, 11 August. 🔭 aas.org/meetings/gra... #AASGradFair #Astronomy

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American Astronomical Society (AAS) @aas.org · 20/07/2026

🔭 #AAS249 Still thinking about that session idea? Here's your nudge. Special Session, Workshop, and Town Hall proposals are due Monday, 3 August by 11:59 pm ET. aas.org/meetings/aas...

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American Astronomical Society (AAS) @aas.org · 14/07/2026

AAS has submitted comments on the OMB Proposal titled “Regulation for Federal Financial Assistance.” Our comments can be found here: aas.org/posts/news/2... Please contact your members of Congress and encourage them to take action against the proposed rule: aas.org/omb-congress

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American Astronomical Society (AAS) @aas.org · 09/07/2026

Got an idea for a Special Session, Workshop, or Town Hall at #AAS249? Now's the time to pitch it. Help shape the program for our January meeting (joint w/ HAD) in Salt Lake City. Submit proposals by Monday, 3 August at 11:59 pm ET. Details: aas.org/meetings/aas... 🔭

Banner for AAS 249, the American Astronomical Society's 249th meeting in Salt Lake City, Utah, 10–14 January 2027. Starry sky background with city skyline silhouette. Text: 'Call for Proposals Is Open! Deadline: 3 August.

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American Astronomical Society (AAS) @aas.org · 07/07/2026

✨ FIRST-EVER AAS Virtual Graduate Admissions Fair ✨ Don't miss out — confirm your department/unit's interest by 10 July and join the growing list of participating organizations! 📅 Wednesday, 16 September | 3:00–5:00 pm ET 💵 Registration: $500 aas.org/aas-virtual-... 🔭

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American Astronomical Society (AAS) @aas.org · 26/06/2026

🔭 AAS has partnered with @apsphysics.aps.org and other organizations to develop a tool to help you submit unique, personalized comments on harmful proposed changes to federal grants. Please submit a comment by 13 July! www.aps.org/initiatives/...

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American Astronomical Society (AAS) @aas.org · 26/06/2026

🔭 The 58th Division for Planetary Sciences (DPS) meeting is happening in Spokane, Washington! 1 Jul: Hartmann Student Travel Grant deadline 1 Jul: Underrepresented Minority (URM) Communities in Planetary Science Travel Grant deadline 30 Jul: Late abstract deadline aas.org/meetings/dps58

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American Astronomical Society (AAS) @aas.org · 24/06/2026

✨ AAS Virtual Graduate Admissions Fair ✨ We’re excited to announce that the AAS plans to host its first-ever virtual graduate admissions fair on Wednesday, 16 September, 3:00–5:00 pm ET! Confirm your department/unit’s interest by 10 July. Registration fee: $500. aas.org/aas-virtual-... 🔭

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American Astronomical Society (AAS) @aas.org · 24/06/2026

🔭 Every year the AAS brings volunteers to DC to advocate for their science and the priorities of the astronomical science community with members of Congress. Be an advocate and sign up for Congressional Visits Day (CVD) on 14–15 September. Deadline: 5 July by 11:59 pm ET aas.org/applications...

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American Astronomical Society (AAS) @aas.org · 23/06/2026

🔭 Enter the Royal Society Publishing 2026 Photo Competition This annual competition, which includes an #astronomy category, celebrates the role great images play in making science accessible to a wide audience. Deadline: 14 August. royalsociety.org/journals/pub... @royalsocietypublishing.org

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American Astronomical Society (AAS) @aas.org · 23/06/2026

#AAS248 The 248th AAS meeting has come to a close, and we can't thank you enough for helping to make this meeting a success! While the week in Pasadena may be over, we'll continue sharing photos, videos & highlights from an incredible week of science. See you in Salt Lake City for #AAS249. 🔭

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American Astronomical Society (AAS) @aas.org · 23/06/2026

🔭 Join us 9–14 August in Baltimore, Maryland, for the 57th meeting of the AAS Solar Physics Division (SPD). 📅 Submit late abstracts by 7 July at 11:59 pm ET. 👉 Register by 7 July to lock in discounted rates. 🏨 Book your hotel by 17 July to secure best available rates. aas.org/meetings/spd57

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American Astronomical Society (AAS) @aas.org · 18/06/2026

#AAS248 The AAS is pleased to announce the Chambliss Astronomy Achievement Student Award winners from the 248th AAS meeting in Pasadena, California, in June 2026. Congratulations, all! 🔭 aas.org/posts/news/2...

A researcher presents a digital poster on a large monitor while discussing their work with another conference attendee in an exhibit hall.

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