https://bsky.app/profile/ozgrav.bsky.socialhttps://bsky.app/profile/ozgrav.bsky.social/post/3mlp2kszdqk2wHow do you check the accuracy of instruments designed to detect ripples in spacetime? By using colliding black holes. OzGrav researchers have demonstrated a new way to use gravitational waves themselves to help calibrate the detectors that observe them. Read more: https://www.ozgrav.org/news/how-black-hole-mergers-are-helping-scientists-calibrate-the-universes-most-sensitive-instruments/13 May 2026 00:33 +0000at://did:plc:gaql2kosbunncigja4ld6gra/app.bsky.feed.post/3mlp2kszdqk2whttps://bsky.app/profile/ozgrav.bsky.social/post/3mktq2lvxhk27OzGrav Director Professor Matthew Bailes has officially launched Swinburne’s Virtual Universe ✨ https://www.ozgrav.org/news/ozgrav-director-professor-matthew-bailes-launches-swinburnes-virtual-universe/02 May 2026 03:43 +0000at://did:plc:gaql2kosbunncigja4ld6gra/app.bsky.feed.post/3mktq2lvxhk27https://bsky.app/profile/ozgrav.bsky.social/post/3mkk4gxwmnk2gExclusive: Swinburne’s Virtual Universe! In this piece, OzGrav's Director, Prof Matthew Bailes, shares how this immersive space is transforming the way we explore and communicate astronomy, bringing the Universe to life in ways you can’t experience anywhere else. https://www.facebook.com/watch/?v=192947363769431628 Apr 2026 07:58 +0000at://did:plc:gaql2kosbunncigja4ld6gra/app.bsky.feed.post/3mkk4gxwmnk2ghttps://bsky.app/profile/ozgrav.bsky.social/post/3mkgpkrpfiq2s🍻 Canberra - science meets the pub. OzGrav’s Dr Rowina Nathan and Dr Liana Rauf are speaking at the Canberra edition of Pint of Science, bringing gravitational waves, galaxy mapping, and cutting-edge astrophysics to the stage. 📅 Wed 20 May | 6:30pm 🎟️ $15 https://pintofscience.com.au/event/traversing-the-universe/26 Apr 2026 23:30 +0000at://did:plc:gaql2kosbunncigja4ld6gra/app.bsky.feed.post/3mkgpkrpfiq2shttps://bsky.app/profile/ozgrav.bsky.social/post/3mjxrq5l7cs2cYou can measure a black hole with echoes. OzGrav PhD student Hugh explains how astronomers use the flickering of light around supermassive black holes to measure their mass from afar. Echoes become rulers. https://youtube.com/shorts/40IIQKO9C2w21 Apr 2026 00:59 +0000at://did:plc:gaql2kosbunncigja4ld6gra/app.bsky.feed.post/3mjxrq5l7cs2chttps://bsky.app/profile/ozgrav.bsky.social/post/3mjlo76e4bl2oThis week, OzGrav researchers from two of our key programs came together at the University of Melbourne for a Collaboration Planning Workshop — bringing different expertise into the same room, sharing tools and approaches, and creating space to spark new projects.16 Apr 2026 05:24 +0000at://did:plc:gaql2kosbunncigja4ld6gra/app.bsky.feed.post/3mjlo76e4bl2ohttps://bsky.app/profile/ozgrav.bsky.social/post/3mj2jzd6hun2wA study led by Anais Möller, Simon Stevenson & Jade Powell has now been featured in Nature Astronomy. The research explores how kilonovae will appear in data from the Vera C. Rubin Observatory. 🔗 Read the highlight: https://www.nature.com/articles/s41550-026-02826-509 Apr 2026 09:53 +0000at://did:plc:gaql2kosbunncigja4ld6gra/app.bsky.feed.post/3mj2jzd6hun2whttps://bsky.app/profile/ozgrav.bsky.social/post/3mild45icwb2nWe’re excited to share that OzGrav has been featured on NASA’s Astronomy Picture of the Day 🌌 This stunning visual combines real astrophotography of the Tarantula Nebula with an OzGrav simulation of two black holes in their final “death dance”. 🔗 See the full feature: https://apod.nasa.gov/apod/fap/ap260403.html03 Apr 2026 08:40 +0000at://did:plc:gaql2kosbunncigja4ld6gra/app.bsky.feed.post/3mild45icwb2nhttps://bsky.app/profile/ozgrav.bsky.social/post/3mihphn3byv2nWhat if some stars explode… and leave nothing behind? 💥 OzGrav-led research has uncovered evidence of pair-instability supernovae—explosions so powerful they completely obliterate the star. 🔗 Read more: https://www.ozgrav.org/news/new-study-finds-evidence-of-cosmic-explosions-with-missing-black-holes01 Apr 2026 22:10 +0000at://did:plc:gaql2kosbunncigja4ld6gra/app.bsky.feed.post/3mihphn3byv2nhttps://bsky.app/profile/ozgrav.bsky.social/post/3migbvexkzy2nCongrats to OzGrav’s Dr Cullan Howlett - awarded the 2026 Pawsey Medal 👏 His research, focused on assembling the largest & most complete map of our universe ever made, has shaped our understanding of the fundamental forces & ingredients that make up the world around us. https://vimeo.com/1164875635/bd8aafe287 https://vimeo.com/1164875635/bd8aafe287?share=copy01 Apr 2026 08:35 +0000at://did:plc:gaql2kosbunncigja4ld6gra/app.bsky.feed.post/3migbvexkzy2nhttps://bsky.app/profile/ozgrav.bsky.social/post/3mifirnfwgu22OzGrav postdoc Dr Rowina Nathan attended Science Meets Parliament last week, bringing gravitational-wave science into conversations with policymakers. From discussing the role of missions like GRACE in tracking water movement during floods, to learning how science can better inform policy!01 Apr 2026 01:05 +0000at://did:plc:gaql2kosbunncigja4ld6gra/app.bsky.feed.post/3mifirnfwgu22https://bsky.app/profile/ozgrav.bsky.social/post/3mhyuu3ueum22Our first Space Times newsletter for 2026 is out now 🚀 This March edition highlights new insights into twin black hole mergers, alongside the outreach, mentoring, and Centre-wide efforts that keep OzGrav thriving. Explore the latest edition: https://www.ozgrav.org/space-times-newsletters/ → Click March 202627 Mar 2026 00:37 +0000at://did:plc:gaql2kosbunncigja4ld6gra/app.bsky.feed.post/3mhyuu3ueum22https://bsky.app/profile/ozgrav.bsky.social/post/3mfs7u53zmf2eOzGrav Associate Investigator Dr Anaïs Möller explains how the Vera C. Rubin Observatory is about to create a 10-year “movie” of the southern sky — and help us probe dark energy. She also co-leads Fink, one of Rubin’s AI-powered community brokers. Read more: https://theconversation.com/20-billion-galaxies-new-survey-of-the-sky-will-reveal-the-universe-in-unprecedented-detail-27357426 Feb 2026 22:15 +0000at://did:plc:gaql2kosbunncigja4ld6gra/app.bsky.feed.post/3mfs7u53zmf2ehttps://bsky.app/profile/ozgrav.bsky.social/post/3mfpymojel72jA cosmic explosion with the force of a billion Suns went unseen — until we caught its echo. OzGrav’s Prof Tara Murphy & PhD student Ashna Gulati have uncovered what may be the clearest “orphan afterglow” yet, the radio ghost of a hidden gamma-ray burst. Read: https://theconversation.com/a-cosmic-explosion-with-the-force-of-a-billion-suns-went-unseen-until-we-caught-its-echo-27556526 Feb 2026 01:00 +0000at://did:plc:gaql2kosbunncigja4ld6gra/app.bsky.feed.post/3mfpymojel72jhttps://bsky.app/profile/ozgrav.bsky.social/post/3me3gkcfviv2xWhen two neutron stars collide, they shake spacetime and light up the cosmos in a brilliant flash called a kilonova. OzGrav researchers Dr Anais Möller, Dr Jade Powell and Dr Simon Stevenson explore how the Vera C. Rubin Observatory could help spot these rare events. https://aasnova.org/2026/02/04/how-many-kilonovae-will-rubin-observatory-help-us-spot/05 Feb 2026 03:18 +0000at://did:plc:gaql2kosbunncigja4ld6gra/app.bsky.feed.post/3me3gkcfviv2xhttps://bsky.app/profile/ozgrav.bsky.social/post/3mdhee4ilhc2k🕳️ New fear unlocked: runaway black holes What happens when two black holes merge unevenly? OzGrav’s Prof David Blair explains how uneven black-hole mergers can launch newly formed black holes across galaxies at extraordinary speeds. 👉 Read more: https://theconversation.com/new-fear-unlocked-runaway-black-holes-27242928 Jan 2026 03:45 +0000at://did:plc:gaql2kosbunncigja4ld6gra/app.bsky.feed.post/3mdhee4ilhc2khttps://bsky.app/profile/ozgrav.bsky.social/post/3m6v37l7fv32tLast week we brought together more than 160 OzGrav members for our combined ECR Workshop and Annual Retreat in Melbourne. It was a full week of learning, collaboration, and community. Thank you to everyone who contributed, presented and helped make the week such a productive and enjoyable one.30 Nov 2025 23:33 +0000at://did:plc:gaql2kosbunncigja4ld6gra/app.bsky.feed.post/3m6v37l7fv32thttps://bsky.app/profile/ozgrav.bsky.social/post/3m4qxxawxp22rCongrats to OzGrav Associate Investigator, Matt Dodds, recipient of the 2025 Prime Minister’s Prize for Excellence in Science Teaching in Secondary Schools! We’re incredibly proud to see Matt’s dedication to STEM education recognised on a national stage. 🙌 #PMPrizes https://www.ozgrav.org/awards/ozgrav-associate-investigator-matt-dodds-awarded-the-2025-prime-ministers-prize-for-excellence-in-science-teaching-in-secondary-schools/03 Nov 2025 21:34 +0000at://did:plc:gaql2kosbunncigja4ld6gra/app.bsky.feed.post/3m4qxxawxp22rhttps://bsky.app/profile/ozgrav.bsky.social/post/3m4gqvl5dmq2cHappy Halloween from OzGrav! Space can be spooky, from black holes to zombie stars, and the eerie silence to the possibility of life. Here's what our OzGrav'ers think is the most spooky about the universe. Music by Mikhail Smusev from Pixabay https://youtube.com/shorts/0ULtzuxHvkk?feature=share30 Oct 2025 20:01 +0000at://did:plc:gaql2kosbunncigja4ld6gra/app.bsky.feed.post/3m4gqvl5dmq2chttps://bsky.app/profile/ozgrav.bsky.social/post/3m4bmoqgmy722We’re closer to solving dark matter thanks to these black holes! OzGrav PhD student at ANU, Aswathi, was part of the analysis team of the GW241011+GW241110 special event paper. Here she explains how these events helped refine our understanding of dark matter. https://youtube.com/shorts/wW4ypG8oRdc28 Oct 2025 19:02 +0000at://did:plc:gaql2kosbunncigja4ld6gra/app.bsky.feed.post/3m4bmoqgmy722https://bsky.app/profile/ozgrav.bsky.social/post/3m4b7vayufk2oTwo #blackhole mergers, GW241011 & GW241110, detected a month apart in 2024 are helping scientists learn how black holes form, spin & evolve. Researchers from OzGrav & ANU, incl. PhD student Aswathi P Subhash & CI Dr Ling (Lilli) Sun contributed key analysis. https://www.ozgrav.org/news/twin-black-hole-mergers-reveal-secrets-of-cosmic-evolution28 Oct 2025 15:13 +0000at://did:plc:gaql2kosbunncigja4ld6gra/app.bsky.feed.post/3m4b7vayufk2ohttps://bsky.app/profile/ozgrav.bsky.social/post/3m2ki5ihgbg2rNew research by OzGrav PhD student Paul Disberg and Chief Investigator Prof. Ilya Mandel (Monash University) explores how newborn neutron stars get a powerful natal kick — a supernova shove that launches them at hundreds of km/s! 👉 https://aasnova.org/2025/09/24/kicking-neutron-stars-from-the-nest/ #Astrophysics #NeutronStars #Supernova06 Oct 2025 20:45 +0000at://did:plc:gaql2kosbunncigja4ld6gra/app.bsky.feed.post/3m2ki5ihgbg2rhttps://bsky.app/profile/ozgrav.bsky.social/post/3m2i77hhd3c2y✨ OzGrav Space Times is back! We’re thrilled to relaunch our official newsletter, your go-to source for updates, discoveries, and stories from the gravitational-wave community. Check out the October 2025 issue and catch up on all things OzGrav! 🔗 https://www.ozgrav.org/space-times-newsletters05 Oct 2025 22:59 +0000at://did:plc:gaql2kosbunncigja4ld6gra/app.bsky.feed.post/3m2i77hhd3c2yhttps://bsky.app/profile/ozgrav.bsky.social/post/3lzkdoqc2hc2uCelebrating 10 Years of Gravitational Waves! Last week, OzGrav hosted a two-day workshop at Swinburne to mark a decade since the first detection of gravitational waves, GW150914, a discovery that reshaped astrophysics and confirmed Einstein’s prediction. Here’s to the next decade of discovery!24 Sep 2025 02:00 +0000at://did:plc:gaql2kosbunncigja4ld6gra/app.bsky.feed.post/3lzkdoqc2hc2uhttps://bsky.app/profile/ozgrav.bsky.social/post/3lz2ztlqqqd2fThis happened 10 years ago, and it was weird! GW150914 was the first ever detection of gravitational waves, when two black holes collided, sending ripples through space. https://youtube.com/shorts/_GEr2AlVXnk17 Sep 2025 23:53 +0000at://did:plc:gaql2kosbunncigja4ld6gra/app.bsky.feed.post/3lz2ztlqqqd2fhttps://bsky.app/profile/ozgrav.bsky.social/post/3lytfxkt3ez2xA decade ago, we heard the universe for the first time. Gravitational waves changed physics forever. Here’s how Australia helped make it happen. 🎓 Discover the story in our new documentary: youtu.be/n12Ml1sI2Kw https://youtu.be/n12Ml1sI2Kw14 Sep 2025 23:09 +0000at://did:plc:gaql2kosbunncigja4ld6gra/app.bsky.feed.post/3lytfxkt3ez2xhttps://bsky.app/profile/ozgrav.bsky.social/post/3lyjcbri4vp2nA new gravitational wave event rocked detectors almost 10 years after the first detection. But this time, it was up to four times as loud thanks to a decade of upgrades. OzGrav Associate Investigator Dr Simon Stevenson explains more in The Conversation: https://theconversation.com/10-years-ago-gravitational-waves-changed-astronomy-a-new-discovery-shows-theres-more-to-come-264131?utm_medium=article_clipboard_share&utm_source=theconversation.com10 Sep 2025 22:37 +0000at://did:plc:gaql2kosbunncigja4ld6gra/app.bsky.feed.post/3lyjcbri4vp2nhttps://bsky.app/profile/ozgrav.bsky.social/post/3lyjbhz6umb2fTen years ago, we heard the universe for the first time. Now, we’ve heard it again... only louder. OzGrav researchers, Neil Lu, PhD student at the Australian National University (ANU), and Teagan Clarke, PhD student at Monash University, explain! https://youtube.com/shorts/edkqkYL6dN4?feature=shared10 Sep 2025 22:22 +0000at://did:plc:gaql2kosbunncigja4ld6gra/app.bsky.feed.post/3lyjbhz6umb2fhttps://bsky.app/profile/ozgrav.bsky.social/post/3lxv5epxuut2hNew in Nature Astronomy: An international study co-authored by OzGrav’s Prof Ilya Mandel reveals massive stars are just as likely to form in close binaries in the early Universe as today, reshaping our understanding of stellar evolution & gravitational wave origins. https://www.ozgrav.org/news/binary-stars-everywhere-monash-university-scientists-help-rewrite-cosmic-origin-story02 Sep 2025 22:16 +0000at://did:plc:gaql2kosbunncigja4ld6gra/app.bsky.feed.post/3lxv5epxuut2hhttps://bsky.app/profile/ozgrav.bsky.social/post/3lxqeiowbu52zCongratulations to OzGrav's Deputy Director, Professor Tamara Davis AM, recipient of the 2025 Moyal Medal awarded by Macquarie University for her outstanding contributions to astrophysics and cosmology. Read more here: https://lighthouse.mq.edu.au/media-releases/2025/august-2025/milestone-moyal-medal-awarded-to-astrophysicist-tamara-davis01 Sep 2025 00:40 +0000at://did:plc:gaql2kosbunncigja4ld6gra/app.bsky.feed.post/3lxqeiowbu52z