The Impossible Element Hiding in the Sun

Not all of the naturally occurring elements were discovered here on Earth. Helium was discovered by examining sunlight, and that same technique is now teaching us about the composition of distant galaxies. Hosted by: Reid Reimers SciShow has a spinoff podcast! It s called SciShow Tangents. Check it out at https://www.scishowtangents.org ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Alex Schuerch, Alex Hackman, Andrew Finley Brenan, Sam Lutfi, D.A. Noe, الخليفي سلطان, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Patrick D. Ashmore, charles george, Kevin Bealer, Chris Peters ---------- 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 ---------- 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: https://www.worldscientific.com/worldscibooks/10.1142/p371 https://royalsocietypublishing.org/doi/10.1098/rspl.1895.0006 https://www.chemistryworld.com/features/150-years-of-helium/3009232.article https://www.ucalgary.ca/news/utoday/april28-2010/earth Images: https://en.wikipedia.org/wiki/File:DIMendeleevCab.jpg https://en.wikipedia.org/wiki/File:Dmitry_Mendeleyev_Osnovy_Khimii_1869-1871_first_periodic_table.jpg https://commons.wikimedia.org/wiki/File:Sz%C3%ADnsz%C3%B3r%C3%B3d%C3%A1s_prizm%C3%A1n1.jpg https://commons.wikimedia.org/wiki/File:Fraunhofer_lines.svg https://commons.wikimedia.org/wiki/File:Sodium_spectrum_visible.png http://www.thinkstockphotos.com/search/#/f=PICHVX/M||825810902 https://en.wikipedia.org/wiki/File:Solar_eclipse_1999_4_NR.jpg https://commons.wikimedia.org/wiki/File:Helium_spectrum_visible.png https://svs.gsfc.nasa.gov/12850 http://www.thinkstockphotos.com/image/stock-illustration-collection-of-vector-royal-crowns-for/958687442 Thumbnail: https://svs.gsfc.nasa.gov/11721