New Discoveries from Our Second Interstellar Visitor | SciShow News

This year, scientists have had a chance to study something pretty mind-boggling: a comet that came from outside of our solar system. Host: Hank Green SciShow has a spinoff podcast! It s called SciShow Tangents. Check it out at http://www.scishowtangents.org ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: Kevin Carpentier, Eric Jensen, Matt Curls, Sam Buck, Christopher R Boucher, Avi Yashchin, Adam Brainard, Greg , Alex Hackman, Sam Lutfi, D.A. Noe, Piya Shedden, 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.eurekalert.org/pub_releases/2019-12/uoc--nni121219.php http://www2.ess.ucla.edu/~jewitt/papers/2019/JHK19.pdf http://www2.ess.ucla.edu/~jewitt/papers/2019/JL19b.pdf http://www2.ess.ucla.edu/~jewitt/2019Q4.html https://www.spacetelescope.org/news/heic1918/ https://www.skyandtelescope.com/astronomy-news/possible-interstellar-comet-headed-our-way/ https://minorplanetcenter.net/mpec/K19/K19RA6.html https://hubblesite.org/contents/news-releases/2019/news-2019-61 https://www.sciencemag.org/news/2019/10/alien-comets-may-be-common-object-beyond-solar-system-suggests https://projectpluto.com/temp/2017u1.htm https://projectpluto.com/temp/2i.htm https://arxiv.org/pdf/1909.05851.pdf ------ Images: https://svs.gsfc.nasa.gov/4758 https://hubblesite.org/contents/media/images/2019/61/4589-Image?news=true https://www.spacetelescope.org/videos/heic1918a/ https://svs.gsfc.nasa.gov/4758 https://www.spacetelescope.org/images/heic1918b/ https://svs.gsfc.nasa.gov/4758 https://www.spacetelescope.org/news/heic1918/ https://www.eso.org/public/videos/eso1820c/ https://en.wikipedia.org/wiki/File:Milkyway_Swan_Panorama.jpg