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of this universe, check out https://scishowfinds.com/ ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Lazarus G, Sam Lutfi, Nicholas Smith, D.A. Noe, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Patrick D. Ashmore, Tim Curwick, 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.nature.com/articles/189739a0 https://academic.oup.com/mnras/article-abstract/477/3/3791/4964763?redirectedFrom=fulltext https://academic.oup.com/mnras/article/317/2/299/1005394 http://adsabs.harvard.edu/full/1986QJRAS..27..697G https://www.bgs.ac.uk/downloads/start.cfm?id=1638 [PDF] http://blogs.discovermagazine.com/outthere/2017/06/30/wright/ http://sites.psu.edu/astrowright/2017/03/15/przybylskis-star-i-whats-that/ https://ipfs.io/ipfs/QmXoypizjW3WknFiJnKLwHCnL72vedxjQkDDP1mXWo6uco/wiki/A-type_main-Fauence_star.html https://link.springer.com/article/10.3103%2FS0884591308020049 https://www.britannica.com/science/actinoid-element https://arxiv.org/abs/1411.7549 http://www.rsc.org/periodic-table/element/114/flerovium http://www.ma.man.ac.uk/~moss/papers/moss_poprad.pdf http://loke.as.arizona.edu/~ckulesa/camp/spectroscopy_intro.html https://arxiv.org/abs/astro-ph/0610611 https://arxiv.org/abs/1703.04250 http://adsabs.harvard.edu/abs/2007MNRAS.380..771F https://www.aanda.org/articles/aa/abs/2007/44/aa7429-07/aa7429-07.html Images: https://svs.gsfc.nasa.gov/11428 https://en.wikipedia.org/wiki/File:Sirius_A_and_B_artwork.jpg https://en.wikipedia.org/wiki/File:Holmium2.jpg https://commons.wikimedia.org/wiki/File:Europium.jpg https://commons.wikimedia.org/wiki/File:Island_of_Stability.svg https://academic.oup.com/mnras/article/317/2/299/1005394