How Do You Date a Star?

Start building your ideal daily routine! The first 100 people who click on the link will get 25% OFF Fabulous Premium: https://thefab.co/scishowspace9 Figuring out the age of a blinking speck in the sky is a difficult feat, especially if considering how many types of stars there are. This is where a Hertzsprung-Russell meets a gyrochronologist. Hosted by: Savannah Geary (they/them) ---------- Huge thanks go to the following Patreon supporter for helping us keep SciShow Space free for everyone forever: Jason A Saslow, David Brooks, and AndyGneiss! Support SciShow Space by becoming a patron on Patreon: https://www.patreon.com/SciShowSpace Or by checking out our awesome space pins and other products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? SciShow on TikTok: https://www.tiktok.com/@scishow SciShow Tangents Podcast: http://www.scishowtangents.org Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Instagram: http://instagram.com/thescishow ---------- Sources: Interview with Eric Jensen from Swarthmore College https://www.youtube.com/watch?v=IuKZjVlkXRQ https://chandra.harvard.edu/edu/formal/variable_stars/bg_info.html https://www.ucolick.org/~bolte/AY4/notes9/node2.html https://iopscience.iop.org/article/10.3847/1538-4357/ac6035 https://astronomy.swin.edu.au/cosmos/m/main+sequence+lifetime https://arxiv.org/pdf/0704.3068.pdf Image Sources: https://images.nasa.gov/details-PIA19341 https://commons.wikimedia.org/wiki/File:The_star_cluster_Messier_18_and_its_surroundings.jpg https://commons.wikimedia.org/wiki/File:HRDiagram.png https://commons.wikimedia.org/wiki/File:A_Hertzsprung–Russell_chart_of_stellar_evolution_(PSF).png https://hubblesite.org/contents/media/videos/2010/28/647-Video.html?news=true https://commons.wikimedia.org/wiki/File:Hertzsprung-Russell_Diagram_-_ESO.png https://www.gettyimages.com/detail/photo/the-sun-royalty-free-image/520222808?phrase=the%20sun%20in%20space&adppopup=true https://www.researchgate.net/figure/Rotation-periods-of-the-Praesepe-blue-and-the-Hyades-orange-star-clusters-derived-by_fig9_338899735 https://svs.gsfc.nasa.gov/13641 https://commons.wikimedia.org/wiki/File:HRDiagram.png https://www.loc.gov/resource/gdcwdl.wdl_18412/?sp=48&st=image&r=-0.793,-0.178,2.587,1.653,0 https://commons.wikimedia.org/wiki/File:Suzhou_star_cartography.jpg https://commons.wikimedia.org/wiki/File:Betelgeuse_(star).jpg https://www.nasa.gov/mission_pages/hubble/science/stellar_ages.html https://hubblesite.org/contents/media/images/2004/16/1534-Image.html?news=true


View on YouTube.