Galaxy Map @galaxymap.bsky.social · 01/10/2026I'm heading back to Leiden tomorrow but before that I took a nostalgic walk around Toronto. 010
Galaxy Map @galaxymap.bsky.social · 29/09/2026I've been having a great month with my father in Oshawa reading thirteenth century history and learned a tremendous amount. I have all the bits I need for a novel. And ended up with a strong dislike for Salimbene di Adam. What a pompous gossip he was. I plowed through his chronicle for a few gems. 020
Galaxy Map @galaxymap.bsky.social · 29/09/2026There are *two* papers out on planets orbiting stars within 10 parsecs. This one on a rocky planet: arxiv.org/abs/2609.30552arxiv.orgHot Rocks Survey VI: An anomalously hot dayside for the rocky planet GJ 357 bAs part of the JWST Hot Rocks Survey, we analyzed a JWST/MIRI F1500W secondary-eclipse observation of GJ 357 b, a rocky exoplanet orbiting a nearby M dwarf. We also performed a new global analysis of ... 161
Reposted by Galaxy MapChara @astrochara.bsky.social · 29/09/2026Today's arXiv day went almost 6 hours past UTC midnight. I predicted it's going to be a monster. I was right. - Possible mechanism for variable He escape from LHS 1140 b - 2-ary eclipse+phase curve for TOI-2431 b - NEID Earth Twin Survey part 6 - TOI-125 trans. spec - TOI-210 b discovery 174
Galaxy Map @galaxymap.bsky.social · 25/09/2026A new Gaia subset with many accurate parameters crossmatched with 14 other surveys. There doesn't appear to be a top down map but very pretty HR and Kiel diagrams. arxiv.org/abs/2609.28652 053
Galaxy Map @galaxymap.bsky.social · 24/09/2026Despite the rumors, the new Meta VR glasses are not just for watching movies. They support the complete Quest gaming library (especially if you have or buy the optional controllers). We are living in the most exciting new tech era since I bought my first microcomputer in the 1970s. Saving my euros. 100
Galaxy Map @galaxymap.bsky.social · 22/09/2026In this famous clip, Humphrey Appleby explains why the UK really wants to be in the EU (and implicitly why Brexit was a disaster for British foreign policy). youtu.be/ZVYqB0uTKlE?...youtu.beWhy the UK is in the EUYouTube video by André Cunha 020
Galaxy Map @galaxymap.bsky.social · 21/09/2026Now there is an interesting euphemism: "metal-polluted". In other words trace elements left over after a red giant has eaten its planets before ejecting its outer layers and becoming a white dwarf. arxiv.org/abs/2609.22033arxiv.orgSearching for Massive Remnant Planetary System Hosts with White Dwarf Gaia XP SpectraRemnant planetary systems around massive white dwarfs ($M_{\rm WD} > 0.8\,{\rm M}_\odot$) are intrinsically rare and remain poorly characterized. As the evolutionary endpoints of intermediate-mass B- ... 031
Galaxy Map @galaxymap.bsky.social · 21/09/2026Most Canadians love the EU and would like to have closer bonds. And then there is Canada's miniTrump and his dwindling gang of supporters. 🫣😝 globalnews.ca/news/1206650...globalnews.caPoilievre says Canada will never be ’28th state’ of EU at Ontario rally - National | Globalnews.caThe Opposition leader says Canada already has a free trade agreement with Europe and close defence ties with the continent through NATO, but he doesn’t support European laws. 121
Galaxy Map @galaxymap.bsky.social · 18/09/2026Reading a fascinating translation of a medieval document, SVMMA CONTRA HERETICOS, believed to be written by the Dominican inquisitor Peter of Verona. Peter imagines himself in a life or death debate with a Patarene opponent and there's a section where the Patarene criticizes the Inquisition itself. 141
Galaxy Map @galaxymap.bsky.social · 18/09/2026A flood of new Gaia papers out this week. One of my favorites is on the Pismis catalogue of open star clusters. arxiv.org/abs/2609.19486arxiv.orgHonoring Paris Pişmiş' Legacy: Uniform Astrophysical Properties of 14 Understudied Clusters from Gaia DR3Open clusters are fundamental tracers of the chemical and dynamical evolution of the Galactic disc. This study presents a systematic characterisation of 14 understudied open clusters from the Pismis c... 140
Galaxy Map @galaxymap.bsky.social · 17/09/2026I often feel sad when I see Star Trek maps like this with so little detail, non-existent objects and imaginary names. And of course missing well known clusters like the Hyades. Now that we have incredibly detailed real maps of the local galaxy I wish Star Trek would show more interest in them. 390
Galaxy Map @galaxymap.bsky.social · 17/09/2026I find this whole discussion weird because there is no EU associate membership and I am not sure there ever will be. What would it even mean? www.theguardian.com/world/2026/s...theguardian.comMark Carney calls for ‘deep cooperation’ between Canada and EU in Strasbourg addressPolling shows overwhelming majority of Canadians support closer ties with Europe, says prime minister 210
Galaxy Map @galaxymap.bsky.social · 17/09/2026Interesting. I wonder how this compares with the Fifth Catalogue of Nearby Stars (CNS5), which also goes out to 25 parsecs. arxiv.org/abs/2609.17729arxiv.orgThe Solar Neighborhood LVI: The RMSTAR Catalog of the Nearest 3352 M Dwarf Systems and 305 of their Wide CompanionsWe present the RMSTAR (RECONS M STAR) catalog, a 25 pc volume-limited and effectively volume-complete sample of the nearest 3352 M dwarf systems and their 305 wide stellar and 9 brown dwarf companions... 161
Galaxy Map @galaxymap.bsky.social · 17/09/2026Will the Dutch government collapse because the increasingly far right VVD won't make any concessions to the centre left? Dutch politics was once pragmatic but no more it seems. nltimes.nl/2026/09/16/b...nltimes.nlBudget Debate: Can Cabinet stay united and convince opposition to support plans?After a very eventful Budget Day, marked by burning hay bales along the highways, red paint dumped on the route the Royals took, and large-scale sabotage on the railway, the Cabinet is undoubtedly fac... 030
Galaxy Map @galaxymap.bsky.social · 16/09/2026Work is moving forward on creating a near-infrared successor to the Gaia Mission. This will require new technology and there are already some promising developments. arxiv.org/abs/2609.17371arxiv.orgCharacterization of IBEX LmAPD detectors at CEA for future low-noise NIR astronomy instrumentsFuture near-infrared (NIR) astronomy missions dedicated to photon-starved science cases, in particular an all-sky astrometric survey extending the legacy of Gaia into the NIR, as identified within the... 031
Galaxy Map @galaxymap.bsky.social · 15/09/2026Currently reading an amazing book that brings the thirteenth century to life by focusing on a small group of pivotal characters and tries to understand how they viewed their lives. www.amazon.com/Inner-Lives-...amazon.comThe Inner Lives of Medieval InquisitorsThe Inner Lives of Medieval Inquisitors - Kindle edition by Sullivan, Karen. Download it once and read it on your Kindle device, PC, phones or tablets. Use features like bookmarks, note taking and highlighting while reading The Inner Lives of Medieval Inquisitors. 110
Reposted by Galaxy MapBritt Lundgren @brittlundgren.bsky.social · 15/09/2026I'm so completely out of practice at receiving good news.. but I think this is.. good?!? 1321
Galaxy Map @galaxymap.bsky.social · 11/09/2026I find it funny that a silly costume used in an episode of I Love Lucy was later recycled as a Star Trek monster by adding a horn. 1175
Galaxy Map @galaxymap.bsky.social · 10/09/2026Two surprisingly different estimates of the distance between the Sun and the galactic centre. (I use 8.2 kpc myself.) arxiv.org/abs/2609.10258arxiv.orgThe solar Galactocentric distance and local kinematic parameters from Gaia DR3 using Bottlinger's equationsThe solar Galactocentric distance, $R_0$, together with the local kinematic parameters of the Milky Way, provides fundamental constraints on the Galactic structure and rotation. Their accurate determi... 083
Galaxy Map @galaxymap.bsky.social · 09/09/2026I am staying with my family in Oshawa and amongst the prosaic suburban landscape I see occasional references to more exotic literature in street names: Camelot, Beatrice and Eulalie. I can't decide whether the names are a coincidence or from a bored city planner with a sense of humour. 120
Reposted by Galaxy MapGeorge Takei @georgetakei.bsky.social · 08/09/2026Sixty years ago today, the starship Enterprise launched and with it, a vision of the future where humanity had moved beyond its divisions. I was there at the beginning, and I can tell you... 685266004803
Galaxy Map @galaxymap.bsky.social · 08/09/2026As a Canadian, I celebrated the 60th anniversary two days ago, but for my favorite sci-fi franchise, I don't mind celebrating twice! 021
Reposted by Galaxy MapKnut Morå @knut.dundasmora.no · 08/09/2026It turns out that by some curious accident I'm the only one in the office that owns map projection trading cards!? 0111
Galaxy Map @galaxymap.bsky.social · 07/09/2026Always good to have accurate distances for objects beyond 3 kpc. arxiv.org/abs/2609.04857arxiv.orgMembership Determination of 45 Open Clusters Beyond 3 kpcContext. Open clusters (OCs) are fundamental tracers for studying the structure and chemical evolution of the Galactic disc. Reliable identification of cluster members, particularly at the faint end o... 041
Galaxy Map @galaxymap.bsky.social · 07/09/2026In a parliamentary democracy, winning a plurality of the vote does not mean that you've won the election. Really tired of reading headlines like this. www.cnn.com/2026/09/06/e...cnn.comGermany’s far-right AfD projected to win eastern state but unclear if it will be able to govern | CNNThe far-right Alternative for Germany surged into first place in state elections in Saxony-Anhalt on Sunday but it was unclear whether it would be able to form a government on its own, according to e... 120
Galaxy Map @galaxymap.bsky.social · 01/09/2026There have long been theories that rafts like this transported rodents and monkeys between Africa and South America. Great to hear that they are still being formed. www.theguardian.com/world/2026/s...theguardian.comPeekaboo island: the floating forest confounding nature watchers in western CanadaA 150-metre-long island appeared from nowhere on Williston Lake, British Columbia; vanished, then reappeared 20 miles away 031
Galaxy Map @galaxymap.bsky.social · 01/09/2026More OB stars to map. I am currently in Canada visiting family but will look at this new data set in October. arxiv.org/abs/2608.30200arxiv.orgOB stars identified in LAMOST Data Release 10A large sample of OB stars plays an important role in studying the stellar parameters of massive stars, as well as the formation and evolution of the Milky Way. With the help of the Large Sky Area Mul... 031
Galaxy Map @galaxymap.bsky.social · 31/08/2026New paper out on red clump stars. Interesting to see the prominent stellar streams caused by the small and large Magellanic Clouds at the lower right. arxiv.org/abs/2608.28522 1132
Galaxy Map @galaxymap.bsky.social · 31/08/2026I love original sources and today I came across a motherlode - translations of sermons by Innocent III, perhaps the most famous medieval pope. In one he warned a gathering of clerics that "to whom more is entrusted, from whom more is demanded". It sounds familiar somehow. I wonder why. 021
Reposted by Galaxy MapBritt Lundgren @brittlundgren.bsky.social · 30/08/2026The Roman Space Telescope was canceled five times in presidents' budget requests - twice during the Obama era and three times in the first Trump administration. Each time, Congress elected to save the mission. 0198
Reposted by Galaxy MapEamonn Kerins @eamonnkerins.bsky.social · 30/08/2026It's not a great feeling to see 15 years of work (and many more years of work by Goddard engineers) sitting on top of a great big bomb. But it feels utterly amazing to see it break free from the bonds of Earth and head off to its permanent home. #RomanLaunch 🚀🔭🧪 (picture credit: Kate Kerins) 2193
Reposted by Galaxy MapJonathan McDowell @planet4589.bsky.social · 30/08/2026The Roman Space Telescope is complementary to ESA's Euclid mission, which was launched in 2023. Euclid has twice as many pixels in its camera and will cover a broader area of sky, but Roman's bigger mirror will let it see fainter galaxies. 213628
Galaxy Map @galaxymap.bsky.social · 30/08/2026The Roman space telescope is on its way to Lagrange Point 2 (joining the Webb space telescope). Looking forward to its first light images. 080
Reposted by Galaxy MapJasmine 🌌🔭 @astrojaz.bsky.social · 30/08/2026way more people should be excited about roman… hubble-level sharpness but 100x the field of view, billions of galaxies, thousands of exoplanets, dark matter + dark energy!!!! this telescope could usher in a whole new era of astronomy and it launches TOMORROW??? 20469110
Reposted by Galaxy MapJen Willis ✨☄️🌒🎃 @jenwillis.bsky.social · 28/08/2026I've just seen this stunning photo of the Nancy Grace Roman Space Telescope being prepared for launch, and I swear it looks just like an angel. flic.kr/p/2sx7SVx 35611
Galaxy Map @galaxymap.bsky.social · 27/08/2026How will the Netherlands solve the problem of the VVD? The once fairly moderate party now aligns only with far right policies and is threatening to destroy any attempt to achieve a political consensus. nltimes.nl/2026/08/27/d...nltimes.nlD66, CDA want a deal with Pro to pass budget; VVD rejects left pathThe Dutch minority Cabinet is split over how to lock in parliamentary support for the coming budget. D66 and CDA want a political deal that gives the left-wing opposition party Pro a larger role. The ... 020
Galaxy Map @galaxymap.bsky.social · 25/08/2026Interesting new map of the major star formation regions in the solar neighborhood. From: arxiv.org/abs/2608.21028 1112
Galaxy Map @galaxymap.bsky.social · 23/08/2026Taking a break from astronomy for the next month and going to my other favorite topic - 13th century history. Currently reading Henry C. Lea's "A History of the Inquisition of the Middle Ages" - one of those great historical mountain peaks that I've wanted to climb for many years. 261
Galaxy Map @galaxymap.bsky.social · 18/08/2026I've often been bemused by the concept of a "general audience". What is that exactly? In any case that is surely not the group I am trying to reach. But if you think you are trying to reach such an audience, then perhaps this course might be a good option for you. 010
Reposted by Galaxy MapCatherine Ryan Hyde @catherineryanhyde.bsky.social · 16/08/2026This is the globular cluster M15 in the constellation Pegasus. I was only able to get a little over an hour before the fog came in. I would definitely work on this more if I could get another clear night, but it remains to be seen whether I will. #Astronomy #Astrophotography 1718
Reposted by Galaxy MapManuel Huss @manuelhuss.bsky.social · 16/08/2026'A bridge across the Soul' - A new attempt at the Soul Nebula (IC 1848), featuring the central bridge area, as the whole thing doesn’t fit on my sensor. Total exposure time of 30 hours over 5 nights. Gear: TS CF-Apo 130/910mm, ASI2600mm Pro camera & halpha/OIII/SII nb filters. #astrophotography 310922
Reposted by Galaxy MapMichael Merrifield @astromikemerri.bsky.social · 16/08/2026A nice night to go after one of the lesser-known beautiful objects in the sky, Sh2-112, which also has interesting astrophysical story to tell. The name is because this is object 112 in Stewart Sharpless’ (2nd) 1959 catalogue of extended Galactic objects that emit H-alpha. 1/6 🔭🧪 311014
Reposted by Galaxy MapHourly Cosmos @hourlycosmos.bsky.social · 15/08/2026Thor's Helmet - NGC 2359 - From Rolf Wahl Olsen - flic.kr/p/dMQknj 022964
Galaxy Map @galaxymap.bsky.social · 15/08/2026Had an unusual tour today of Fort Rhijnauwen near Utrecht. Built in the 19th century, this huge fortress was abandoned decades ago and is now maintained as a habitat for about 500 bats. We followed the guide through long pitch dark corridors and he identified sleepy bats with his flashlight. 120
Galaxy Map @galaxymap.bsky.social · 13/08/2026Please share your favorite space map images. I'd love to be inspired. #astronomy #cartography 043
Reposted by Galaxy MapESO @eso.org · 13/08/2026A cosmic rose with many names 🌹 Officially known as Messier 17, this nebula has many nicknames: the Omega Nebula, the Swan Nebula, the Checkmark Nebula, the Horseshoe Nebula, and the Lobster Nebula. But what causes its red and pink shades? 🤔 🔭 1/2 15119
Galaxy Map @galaxymap.bsky.social · 13/08/2026Later this year I hope to launch a Kickstarter to fund the Atlas of the Milky Way. I've created a signup page here: kevinjardine.dev/signup but so far only about 40 people have signed up. I'd like that to be closer to a thousand. I've now added a profile: kevinjardine.dev/profile Please promote.kevinjardine.devAtlas of the Milky Way Kickstarter profileExplore the Milky Way with Kevin Jardine's detailed cartography. 164