Find out what makes stars what they are, and take a tour of some of the most extreme stars in space! ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/SciShow Or help support us by becoming our patron on Patreon: https://www.patreon.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow SOURCES: http://www.kidsastronomy.com/stars.htm http://starchild.gsfc.nasa.gov/docs/StarChild/universe_level2/stars.html https://kidskonnect.com/science/stars-constellations/ https://www.esa.int/esaKIDSen/SEMU56WJD1E_OurUniverse_0.html http://www.universetoday.com/13507/what-is-the-biggest-star-in-the-universe/ http://earthsky.org/brightest-stars/blue-white-rigel-is-orio