Observations of Galactic Evolution on Human Timescales

Support this channel on Patreon to help me make this a full time job: https://www.patreon.com/whatdamath (Unreleased videos, extra footage, DMs, no ads) Alternatively, PayPal donations can be sent here: http://paypal.me/whatdamath Get a Wonderful Person Tee: https://teespring.com/stores/whatdamath More cool designs are on Amazon: https://amzn.to/3QFIrFX Hello and welcome! My name is Anton and in this video, we will talk about a galaxy that disappeared in just a few years and another one that became active recently Links: https://ras.ac.uk/news-and-press/research-highlights/reborn-black-hole-spotted-erupting-cosmic-volcano https://subarutelescope.org/en/results/2026/03/24/3688.html #galaxy #activegalacticnucleus #blackhole 0:00 Galactic changes but in human scales? 1:20 Galaxy that disappeared in a few years 4:20 Galaxy that turned on showing the opposite effect 5:50 How this was discovered 6:45 Similar processes we've never seen at these time scales 7:30 How these two galaxies differ 8:40 Possible explanations 9:55 Conclusions and implications for Milky Way Enjoy and please subscribe Bitcoin/Ethereum to spare? Donate them here to help this channel grow! bc1qnkl3nk0zt7w0xzrgur9pnkcduj7a3xxllcn7d4 or ETH: 0x60f088B10b03115405d313f964BeA93eF0Bd3DbF The hardware used to record these videos: New Camera: https://amzn.to/4pCVINS CPU: https://amzn.to/4qXIaxC Video Card: https://amzn.to/2M1W26C Motherboard: https://amzn.to/2JYGiQQ RAM: https://amzn.to/2Mwy2t4 PSU: https://amzn.to/2LZcrIH Case: https://amzn.to/2MwJZz4 Microphone: https://amzn.to/2t5jTv0 Mixer: https://amzn.to/2JOL0oF Recording and Editing: https://amzn.to/2LX6uvU Some of the above are affiliate links, meaning I would get a (very small) percentage of the price paid. Thank you to all Patreon supporters of this channel Special thanks also goes to all the wonderful supporters of the channel through YouTube Memberships Credit: Mark Garlick www.markgarlick.com Martijn Oei CC BY SA 4.0 https://en.wikipedia.org/wiki/Radio_galaxy#/media/File:GRGAlcyoneusIRBlueRadioOrange.png Mhardcastle CC BY sA 3.0 https://en.wikipedia.org/wiki/Radio_galaxy#/media/File:Radio_galaxy_3C31.png Licenses used: https://creativecommons.org/licenses/by/4.0/ and relevant Creative Commons licenses