Strange Discoveries About Runaway Stars That Don't Really Make Sense

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 runaway and hypervelocity stars and some bizarre discoveries about them Previous video: https://www.youtube.com/watch?v=HjGOTBDLZYk Studies: • Exoplanet Orbiting a Hypervelocity Star (2025) ◦ Terry, S., et al. "A Super-Neptune World Orbiting a Low-Mass Star." The Astronomical Journal. • The Jellyfish Nebula Connection (2026) ◦ Dinçel, B., et al. "Massive runaway star HD 254577: The pre-supernova binary companion to the progenitor of the supernova remnant IC 443." Astronomy & Astrophysics. ◦ https://doi.org/10.1051/0004-6361/202556086 • Massive O-Type Star Survey (2026) ◦ Carretero-Castrillo, M., et al. "An observational study of rotation and binarity of Galactic O-type runaway stars." Astronomy & Astrophysics. ◦ https://doi.org/10.1051/0004-6361/202556646 • Hypervelocity Stars as Tracers of the LMC (2025) ◦ Lucchini, S., & Han, J. J. "Threading the Magellanic Needle: Hypervelocity Stars Trace the Past Location of the LMC." arXiv. ◦ https://doi.org/10.48550/arXiv.2510.03393 • Fastest White Dwarfs and Double-Detonation (2025) ◦ Glanz, H., et al. "The origin of hypervelocity white dwarfs in the merger disruption of He–C–O white dwarfs." Nature Astronomy. ◦ https://doi.org/10.1038/s41550-025-02633-4 • Searching for Ejections from the Galactic Center (2025) ◦ Verberne, S., et al. "Searching for stars ejected from the Galactic Centre in DESI." Astronomy & Astrophysics / arXiv. ◦ https://doi.org/10.48550/arxiv.2506.19570 • Mapping Dark Matter with RR Lyrae Stars (2025) ◦ Fu, H., et al. "Search for Distant Hypervelocity Star Candidates Using RR Lyrae Stars." The Astrophysical Journal. ◦ https://doi.org/10.3847/1538-4357/ae0c09 • Intermediate-Mass Black Hole in M15 (2024) ◦ Huang, Y., et al. "A high-velocity star recently ejected by an intermediate-mass black hole in M15." National Science Review. ◦ https://doi.org/10.1093/nsr/nwae347 0:00 Runaway stars and hypervelocity stars in a nutshell 2:00 How they achieve these velocities 3:50 Supernova origin evidence 4:50 One has a planet! 6:10 They seem to spin slow...but why? 8:10 Conclusions and implications #milkyway #science #astronomy 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 Licenses used: https://creativecommons.org/licenses/by/4.0/ and relevant Creative Commons licenses