Why Is the Night Sky Dark?

From the creator

If the universe is so vast and full of stars, why is the night sky dark? Hosted by: Caitlin Hofmeister ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters—we couldn't make SciShow without them! Shout out to Bella Nash, Kevin Bealer, Mark Terrio-Cameron, Patrick Merrithew, Charles Southerland, Fatima Iqbal, Benny, Kyle Anderson, Tim Curwick, Will and Sonja Marple, Philippe von Bergen, Bryce Daifuku, Chris Peters, Patrick D. Ashmore, Charles George, Bader AlGhamdi ---------- 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://math.ucr.edu/home/baez/physics/Relativity/GR/olbers.html http://xroads.virginia.edu/~hyper/poe/eureka.html http://www.cv.nrao.edu/course/astr534/Brightness.html http://astronomy.nmsu.edu/nicole/teaching/ASTR505/lectures/lecture29/olbers.pdf https://www.scientificamerican.com/article/why-is-the-night-sky-dark/ Image Sources: https://www.flickr.com/photos/136304130@N02/27020263483/in/photolist-HaFUXM-7grjer-f8jQ1a-HzjJg6-s3yApg-oekg22-hi3K5u-p4RpEy-p266Ka-zj34MG-pHh

Published 2017-01-24 · Watch on YouTube ↗
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