Astronomer, physicist, statistician, data analyst, open scientist. (Totally not at all the other David Hogg). I live on Lenape land.https://bsky.app/profile/hogg.bsky.socialhttps://bsky.app/profile/hogg.bsky.social/post/3mktgc6ksck2oMarla Geha (Yale) at @flatironinstitute.org talking about spectroscopy of the absolutely tiniest galaxies!02 May 2026 00:49 +0000at://did:plc:ipms2wsnespmsdverxce4c7q/app.bsky.feed.post/3mktgc6ksck2ohttps://bsky.app/profile/hogg.bsky.social/post/3mkdimrn6hc22The goat @dfm.io talking about LLMs at @nyuphysics.bsky.social25 Apr 2026 16:48 +0000at://did:plc:ipms2wsnespmsdverxce4c7q/app.bsky.feed.post/3mkdimrn6hc22https://bsky.app/profile/hogg.bsky.social/post/3mgzwwbd7i22cYacine Ali Haïmoud talks pulsar timing @nyuphysics.bsky.social last week14 Mar 2026 17:21 +0000at://did:plc:ipms2wsnespmsdverxce4c7q/app.bsky.feed.post/3mgzwwbd7i22chttps://bsky.app/profile/hogg.bsky.social/post/3meu5hhtjxc22Hot take: If you are thinking about observation planning, and if you have choices, you should choose the plan that maximizes your long-term future-discounted information gain. . . .14 Feb 2026 23:12 +0000at://did:plc:ipms2wsnespmsdverxce4c7q/app.bsky.feed.post/3meu5hhtjxc22https://bsky.app/profile/hogg.bsky.social/post/3m65pa7h3gs2zNSBP / NSHP are my people!!21 Nov 2025 16:28 +0000at://did:plc:ipms2wsnespmsdverxce4c7q/app.bsky.feed.post/3m65pa7h3gs2zhttps://bsky.app/profile/hogg.bsky.social/post/3m4ehv5jedk2tI’m so proud to be a jury member for The 2025 International Kindness Olympiad (haha that doesn’t exist because how could kindness be important??)29 Oct 2025 22:14 +0000at://did:plc:ipms2wsnespmsdverxce4c7q/app.bsky.feed.post/3m4ehv5jedk2thttps://bsky.app/profile/hogg.bsky.social/post/3m3nqz2hiss2uItai Linial @nyuphysics.bsky.social talking about stellar problems at supermassive black holes20 Oct 2025 21:26 +0000at://did:plc:ipms2wsnespmsdverxce4c7q/app.bsky.feed.post/3m3nqz2hiss2uhttps://bsky.app/profile/hogg.bsky.social/post/3m2lvwwuob22gExcellent piece by @briles34.bsky.social on writing in the discipline. It’s depressing that we think that theoretical physics expertise is not just more important but INFINITELY more important than writing to… *writing* PhD dissertations (on any subfield of astro, say). arxiv.org/abs/2510.03493 https://arxiv.org/abs/2510.0349307 Oct 2025 10:24 +0000at://did:plc:ipms2wsnespmsdverxce4c7q/app.bsky.feed.post/3m2lvwwuob22ghttps://bsky.app/profile/hogg.bsky.social/post/3lzc2rb655s2zThe main thing that it all makes me—Palestinian genocide, ICE kidnappings, tariffs, H1b visas, infinite detentions without hearings, all make me—is sad. Tired and sad. Love to all, and strength for this journey.20 Sep 2025 18:59 +0000at://did:plc:ipms2wsnespmsdverxce4c7q/app.bsky.feed.post/3lzc2rb655s2zhttps://bsky.app/profile/hogg.bsky.social/post/3lz7tll55b22kCantiello @kantyellow.bsky.social at @flatironinstitute.org explains, in terms of fundamental physics, why we won’t be simulating stars in full 3D, ever. I likey.19 Sep 2025 21:45 +0000at://did:plc:ipms2wsnespmsdverxce4c7q/app.bsky.feed.post/3lz7tll55b22khttps://bsky.app/profile/hogg.bsky.social/post/3lyvysfwzes2oJosh Ruderman @nyuphysics.bsky.social talking about freeze out and freeze in of dark matter candidates.15 Sep 2025 23:52 +0000at://did:plc:ipms2wsnespmsdverxce4c7q/app.bsky.feed.post/3lyvysfwzes2ohttps://bsky.app/profile/hogg.bsky.social/post/3lypswyxelk2kMy colleague Vasuki Nesiah (NYU) wrote a nice blog post about political things on campus, academic freedom, and our @aaup.org lawsuit. https://voelkerrechtsblog.org/academic-freedom-on-trial/13 Sep 2025 12:51 +0000at://did:plc:ipms2wsnespmsdverxce4c7q/app.bsky.feed.post/3lypswyxelk2khttps://bsky.app/profile/hogg.bsky.social/post/3lyldq2vet22cMany universities on lockdown after black faculty were sent extremely racist death threats and threats of racial extermination. Stay safe out there. Black faculty at NYU received extremely frightening emails today.11 Sep 2025 18:08 +0000at://did:plc:ipms2wsnespmsdverxce4c7q/app.bsky.feed.post/3lyldq2vet22chttps://bsky.app/profile/hogg.bsky.social/post/3ly233hin222iIt’s back to school, but not for anyone in Gaza. We all have responsibility for the scholasticide, the killing of students, and the destruction of educational infrastructure.04 Sep 2025 21:18 +0000at://did:plc:ipms2wsnespmsdverxce4c7q/app.bsky.feed.post/3ly233hin222ihttps://bsky.app/profile/hogg.bsky.social/post/3lxht6wp7bk2zThis is a good (long!!) newsletter covering many things related to academic freedom, with an NYU bias. I learn a ton every time this comes out. [contains quote post or other embedded content]28 Aug 2025 15:09 +0000at://did:plc:ipms2wsnespmsdverxce4c7q/app.bsky.feed.post/3lxht6wp7bk2zhttps://bsky.app/profile/hogg.bsky.social/post/3lwhiftma422aFascinating piece by @stephenornes.bsky.social in @quantamagazine.bsky.social on “emergent misalignment” showing that we really don’t know much about what LLMs are doing. https://www.quantamagazine.org/the-ai-was-fed-sloppy-code-it-turned-into-something-evil-20250813/15 Aug 2025 18:31 +0000at://did:plc:ipms2wsnespmsdverxce4c7q/app.bsky.feed.post/3lwhiftma422ahttps://bsky.app/profile/hogg.bsky.social/post/3ltmbggacl22n“AI For Good” isn’t for good. [contains quote post or other embedded content]10 Jul 2025 11:53 +0000at://did:plc:ipms2wsnespmsdverxce4c7q/app.bsky.feed.post/3ltmbggacl22nhttps://bsky.app/profile/hogg.bsky.social/post/3ltgvlq36d22pI meant @aaup.org [contains quote post or other embedded content]08 Jul 2025 08:38 +0000at://did:plc:ipms2wsnespmsdverxce4c7q/app.bsky.feed.post/3ltgvlq36d22phttps://bsky.app/profile/hogg.bsky.social/post/3ltgvjzrhus2pThe NYU AAUP (@aaup; of which I am a member) made the news yesterday with its lawsuit against the Trump administration: https://www.theguardian.com/us-news/2025/jul/07/trial-trump-ideological-deportation-policy-pro-palestinian-students?CMP=Share_iOSApp_Other08 Jul 2025 08:37 +0000at://did:plc:ipms2wsnespmsdverxce4c7q/app.bsky.feed.post/3ltgvjzrhus2phttps://bsky.app/profile/hogg.bsky.social/post/3ls7go4st3s2nWe (and I mean US physicists) dreamed up these weapons, and soldiers deployed them. Enormous suffering was the outcome. Never again https://www.theguardian.com/world/2025/jun/22/atomic-bomb-hiroshima-nagasaki-author-stephen-walker?CMP=Share_iOSApp_Other22 Jun 2025 15:57 +0000at://did:plc:ipms2wsnespmsdverxce4c7q/app.bsky.feed.post/3ls7go4st3s2nhttps://bsky.app/profile/hogg.bsky.social/post/3ls4y3dq5ls2kThe most heartbreaking thing I’ve maybe ever read. CW: Deaths of workers; exceedingly unsafe workplace. I apologize if this is paywalled (@lrb.co.uk please don’t paywall old things) https://www.lrb.co.uk/the-paper/v47/n04/helen-sullivan/diary21 Jun 2025 16:31 +0000at://did:plc:ipms2wsnespmsdverxce4c7q/app.bsky.feed.post/3ls4y3dq5ls2khttps://bsky.app/profile/hogg.bsky.social/post/3lrxnyfxozk2ghttps://www.theguardian.com/news/2025/jun/19/harriet-tubman-church-canada-abolition?CMP=Share_iOSApp_Other19 Jun 2025 13:47 +0000at://did:plc:ipms2wsnespmsdverxce4c7q/app.bsky.feed.post/3lrxnyfxozk2ghttps://bsky.app/profile/hogg.bsky.social/post/3lrmeev75r22dJames Beard Foundation! Prizes to Hamada Shoo and Mosab Abu Toha today. Two of my heroes, uplifting Gaza. And: Food is critical to liberation and justice. So much love. @mosababutoha.bsky.social15 Jun 2025 01:56 +0000at://did:plc:ipms2wsnespmsdverxce4c7q/app.bsky.feed.post/3lrmeev75r22dhttps://bsky.app/profile/hogg.bsky.social/post/3lrie4ofzh22qLots of good ideas in this piece by @leylandcecco.bsky.social https://www.theguardian.com/world/2025/jun/12/canada-indigenous-heiltsuk-constitution?CMP=Share_iOSApp_Other13 Jun 2025 11:41 +0000at://did:plc:ipms2wsnespmsdverxce4c7q/app.bsky.feed.post/3lrie4ofzh22q