How We Solved the Mystery of Pulsating Auroras
Astronomers have finally observed what causes pulsating auroras, and our estimates of the mass of the Andromeda Galaxy have shrunk. Hosted by: Hank Green ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Kelly Landrum Jones, Sam Lutfi, Kevin Knupp, Nicholas Smith, D.A. Noe, alexander wadsworth, سلط الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick Merrithew, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- 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.eurekalert.org/pub_releases/2018-02/icfr-mwt021318.php https://s3-ap-southeast-2.amazonaws.com/icrar.org/wp-content/uploads/2018/02/13131736/m31-escape-velocity.pdf https://www.eurekalert.org/pub_releases/2018-02/uot-doa020818.php https://www.nature.com/articles/nature25505 http://www.cbc.ca/news/technology/pulsating-aurora-the-pas-1.4534912 https://www.sciencealert.com/pulsating-aurora-northern-lights-electron-microbursts http://www.newsweek.com/mysterious-pulsating-auroras-caused-showers-electrons-808973 https://www.nasa.gov/feature/goddard/nasa-measuring-the-pulsating-aurora Images: https://www.flickr.com/photos/cars10s/7191574910/ https://eol.jsc.nasa.gov/BeyondThePhotography/CrewEarthObservationsVideos/ https://www.nasa.gov/feature/goddard/nasa-measuring-the-pulsating-aurora https://en.wikipedia.org/wiki/File:Jupiter_and_its_shrunken_Great_Red_Spot.jpg https://en.wikipedia.org/wiki/File:Saturn_during_Equinox.jpg https://en.wikipedia.org/wiki/File:Star_cluster_in_the_Andromeda_galaxy.jpg https://en.wikipedia.org/wiki/File:M31_09-01-2011.jpg https://en.wikipedia.org/wiki/File:Andromeda_galaxy_2.jpg https://en.wikipedia.org/wiki/File:Andromeda_galaxy_Ssc2005-20a1.jpg https://en.wikipedia.org/wiki/File:Andromeda_Galaxy_(with_h-alpha).jpg
