The Universe Is Expanding... But Not Everywhere

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The Universe is expanding which means distant galaxies are only moving farther away from us. So in the farthest future, will our night sky be empty? Host: Caitlin Hofmeister 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: Greg, 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: http://backreaction.blogspot.com/2017/08/you-dont-expand-just-because-universe.html https://medium.com/starts-with-a-bang/ask-ethan-if-the-universe-is-expanding-why-arent-we-71b46b5e9974 https://medium.com/starts-with-a-bang/if-the-universe-is-expanding-why-are-galaxies-still-merging-26c0f36ddc89 https://arxiv.org/pdf/astro-ph/0107568.pdf https://arxiv.org/pdf/astro-ph/0605173.pdf http://hyperphysics.phy-astr.gsu.edu/hbase/Astro/dareng.html http://curious.astro.cornell.edu/about-us/97-the-universe/galaxies/cosmology/538-as-the-universe-expands-why-don-t-galaxies-get-stretched-out-intermediate http://hubblesite.org/news_release/news/1998-02 https://science.nasa.gov/astrophysics/focus-areas/what-is-dark-energy https://imagine.gsfc.nasa.gov/features/cosmic/farthest_info.html https://www2.lbl.gov/Science-Articles/Archive/dark-energy.html https://www.nasa.gov/mission_pages/hubble/news/hubble-nobel.html https://www.forbes.com/sites/startswithabang/2018/07/28/ask-ethan-where-does-the-energy-for-dark-energy-come-from/#1f286ea31268 http://www.preposterousuniverse.com/blog/2010/02/22/energy-is-not-conserved/ ------ Images: https://svs.gsfc.nasa.gov/20246 https://www.istockphoto.com/vector/trees-set-silhouette-coniferous-forest-isolated-tree-on-white-background-gm917984574-252530425 https://www.videoblocks.com/video/white-splat-transition-7-vjoqmph https://svs.gsfc.nasa.gov/12433 https://www.istockphoto.com/vector/soccer-player-hits-the-ball-set-vector-gm942400042-257547110 https://www.istockphoto.com/vector/vector-galaxy-gm941100530-257229991 https://svs.gsfc.nasa.gov/12307 https://www.videoblocks.com/video/view-of-earth-and-sun-from-the-moon-qbmc5u9 https://svs.gsfc.nasa.gov/10135 https://www.istockphoto.com/vector/man-and-door-pictogram-gm686625930-126790241 https://svs.gsfc.nasa.gov/12314 https://www.eso.org/public/videos/vltplatftimelapse/


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