Astronomy and physics professor, former Orbital Mechanic, and officially a Superhuman - cats, spaceflight, 日本語, gardening, and video games.https://bsky.app/profile/sciencepolice.bsky.socialhttps://bsky.app/profile/sciencepolice.bsky.social/post/3mu6fe2oip22hI've learned of myself that the greatest and most appreciative response you'll get from me via email begins with "you rule!"28 Aug 2026 22:18 +0000at://did:plc:63u4oit6xk73kwpcc776tgap/app.bsky.feed.post/3mu6fe2oip22hhttps://bsky.app/profile/sciencepolice.bsky.social/post/3kom6bfgcv32yCame across this wild footage of a *crewed* Soyuz taking TMA-22 to the ISS during a blizzard. The 2011 mission took Roscosmos cosmonauts Anton Shklaperov and Anatoli Ivanishin and NASA astronaut Dan Burbank to orbit 🚀🌨️ https://www.youtube.com/watch?v=DKx87zc5lsg&ab_channel=PaulSalahuddinArmstrong26 Mar 2024 14:25 +0000at://did:plc:63u4oit6xk73kwpcc776tgap/app.bsky.feed.post/3kom6bfgcv32yhttps://bsky.app/profile/sciencepolice.bsky.social/post/3mtsahf43qc2cThat loser was only a postdoc?? Jfc [contains quote post or other embedded content]24 Aug 2026 02:18 +0000at://did:plc:63u4oit6xk73kwpcc776tgap/app.bsky.feed.post/3mtsahf43qc2chttps://bsky.app/profile/sciencepolice.bsky.social/post/3mtc4zplaqk2aHappy Black Cat Day! 🐈‍⬛17 Aug 2026 16:34 +0000at://did:plc:63u4oit6xk73kwpcc776tgap/app.bsky.feed.post/3mtc4zplaqk2ahttps://bsky.app/profile/sciencepolice.bsky.social/post/3msyugwvuo22oThere's at least half a dozen Final Fantasy's much better than FFVII [contains quote post or other embedded content]14 Aug 2026 00:07 +0000at://did:plc:63u4oit6xk73kwpcc776tgap/app.bsky.feed.post/3msyugwvuo22ohttps://bsky.app/profile/sciencepolice.bsky.social/post/3msbayiws6s2vThis is a fun one - the period of a pendulum outside a Schwarzschild black hole ⌛ arxiv.org/abs/2608.0086604 Aug 2026 14:47 +0000at://did:plc:63u4oit6xk73kwpcc776tgap/app.bsky.feed.post/3msbayiws6s2vhttps://bsky.app/profile/sciencepolice.bsky.social/post/3ms4qhblc2k2mThat wonderful feeling when you find out someone else is a Georges Méliès fan and it's time to geek out 🌙02 Aug 2026 19:41 +0000at://did:plc:63u4oit6xk73kwpcc776tgap/app.bsky.feed.post/3ms4qhblc2k2mhttps://bsky.app/profile/sciencepolice.bsky.social/post/3mrplw3e4h22xBefore 99% of people had ever heard of starship/BFR, back when I was doing the podcast I predicted it'd be "shuttle-like": the thing would fly and serve some use, but wouldn't come *close* to achieving what was claimed. I still think I'll be proven right in the end. https://arstechnica.com/space/2026/07/despite-recent-successes-rapid-reuse-of-starship-remains-a-tough-nut-to-crack/28 Jul 2026 14:15 +0000at://did:plc:63u4oit6xk73kwpcc776tgap/app.bsky.feed.post/3mrplw3e4h22xhttps://bsky.app/profile/sciencepolice.bsky.social/post/3mr5ymqbcqc2z@iwriteok.bsky.social Your latest episodes turning out to be quite topical. "Companies owned by an American government-and-military contractor [and special forces guy] have been operating several planes involved in logistics for the paramilitary Rapid Support Forces in Sudan." (From The Economist)21 Jul 2026 14:14 +0000at://did:plc:63u4oit6xk73kwpcc776tgap/app.bsky.feed.post/3mr5ymqbcqc2zhttps://bsky.app/profile/sciencepolice.bsky.social/post/3mpo6wtmujs2zOh cool, this was a fun surprise to see in my inbox this morning. Congrats, RayJay! 🔭 https://www.jpl.nasa.gov/news/caltech-welcomes-astrophysicist-ray-jayawardhana-as-new-president/02 Jul 2026 14:00 +0000at://did:plc:63u4oit6xk73kwpcc776tgap/app.bsky.feed.post/3mpo6wtmujs2zhttps://bsky.app/profile/sciencepolice.bsky.social/post/3moihaky36k23CIRIA V. GERRANS Cops coerced a man to fabricate evidence which then convicted a guy of murder. He's later exonerated after 32 years. The question - are the cops entitled to qualified immunity? 9th Cir. says no (thank god), but Trump judge says yes in dissent. https://law.justia.com/cases/federal/appellate-courts/ca9/24-3308/24-3308-2026-06-05.html17 Jun 2026 13:47 +0000at://did:plc:63u4oit6xk73kwpcc776tgap/app.bsky.feed.post/3moihaky36k23https://bsky.app/profile/sciencepolice.bsky.social/post/3mnprhaa5b22yI saw a throwaway reference to the shuttle’s elevons free-floating on-orbit during STS-41C, and my efforts to figure out why didn’t quite pan out 🚀 https://open.substack.com/pub/dennisjust/p/elevons-on-orbit https://static.klipy.com/ii/4e7bea9f7a3371424e6c16ebc93252fe/be/16/BX8Rq0ei3WEFNK.gif?hh=314&ww=498&mp4=7OkHMIlGfslRG&webm=30JlqXbv2kEXE07 Jun 2026 18:13 +0000at://did:plc:63u4oit6xk73kwpcc776tgap/app.bsky.feed.post/3mnprhaa5b22yhttps://bsky.app/profile/sciencepolice.bsky.social/post/3mnd2d247t22lIt's a small thing but I'm trying to get back into gardening. I just haven't really had time this past ~year or so 🌱02 Jun 2026 16:47 +0000at://did:plc:63u4oit6xk73kwpcc776tgap/app.bsky.feed.post/3mnd2d247t22lhttps://bsky.app/profile/sciencepolice.bsky.social/post/3mn4fuvkbnc2730 Rock predicts Freedom 250 🇺🇸31 May 2026 01:25 +0000at://did:plc:63u4oit6xk73kwpcc776tgap/app.bsky.feed.post/3mn4fuvkbnc27https://bsky.app/profile/sciencepolice.bsky.social/post/3mm4ulgb3nc2iHell yea! New Illusory Wall video, for anyone who wants to watch 45 minutes on the smell mechanic from Dark Souls 1 https://www.youtube.com/watch?v=y4SUfS9ymBU18 May 2026 12:23 +0000at://did:plc:63u4oit6xk73kwpcc776tgap/app.bsky.feed.post/3mm4ulgb3nc2ihttps://bsky.app/profile/sciencepolice.bsky.social/post/3mm3vxhjjws24Go Cats!! [contains quote post or other embedded content]18 May 2026 03:15 +0000at://did:plc:63u4oit6xk73kwpcc776tgap/app.bsky.feed.post/3mm3vxhjjws24https://bsky.app/profile/sciencepolice.bsky.social/post/3mlo5fy3zu22jIt’s a nice life 🐈‍⬛ 🚂12 May 2026 15:51 +0000at://did:plc:63u4oit6xk73kwpcc776tgap/app.bsky.feed.post/3mlo5fy3zu22jhttps://bsky.app/profile/sciencepolice.bsky.social/post/3mk6i4zjjfs2gNot for nothing but I’m glad to see conservative astronauts also signing to this. [contains quote post or other embedded content]23 Apr 2026 16:56 +0000at://did:plc:63u4oit6xk73kwpcc776tgap/app.bsky.feed.post/3mk6i4zjjfs2ghttps://bsky.app/profile/sciencepolice.bsky.social/post/3migp2f2xsk2gThe juxtaposition on arxiv is the best part of April 1st - you'll have "Protoplanetary Disk Evolution in a Low-Metallicity Environment: JWST's First Mid-Infrared Census of Low-Mass Stars" followed by "On The Detection of Digiorno-like Objects in the Flavor Zone" 🍕01 Apr 2026 12:30 +0000at://did:plc:63u4oit6xk73kwpcc776tgap/app.bsky.feed.post/3migp2f2xsk2ghttps://bsky.app/profile/sciencepolice.bsky.social/post/3mhqqpdr27c2zAs an already nervous flier, I really really hope navigating ORD is easy enough this week. [contains quote post or other embedded content]23 Mar 2026 19:01 +0000at://did:plc:63u4oit6xk73kwpcc776tgap/app.bsky.feed.post/3mhqqpdr27c2zhttps://bsky.app/profile/sciencepolice.bsky.social/post/3mhqhpmhmoc2hMy collaborator and friend's group is featured in this article on developing structures within lunar lava tubes. A number of my community college students have worked with him and gone on to do great things. Very cool! 🌙 https://www.asce.org/publications-and-news/civil-engineering-source/civil-engineering-magazine/issues/magazine-issue/article/2026/03/lava-tubes-could-make-life-on-the-moon-possible23 Mar 2026 16:20 +0000at://did:plc:63u4oit6xk73kwpcc776tgap/app.bsky.feed.post/3mhqhpmhmoc2hhttps://bsky.app/profile/sciencepolice.bsky.social/post/3mdxtpzz7d22sAnyone with eclipse shades (or a welder's mask) and clear skies should check out this massive sunspot 4466. 10x larger than the Earth, you can see it's *shape* with the naked eye. Incredible ☀️03 Feb 2026 17:03 +0000at://did:plc:63u4oit6xk73kwpcc776tgap/app.bsky.feed.post/3mdxtpzz7d22shttps://bsky.app/profile/sciencepolice.bsky.social/post/3mcxbnow4is26Which is cat, and which is folded sweater? 🐈‍⬛21 Jan 2026 18:15 +0000at://did:plc:63u4oit6xk73kwpcc776tgap/app.bsky.feed.post/3mcxbnow4is26