How Many Stars Are There

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=vh8-ZUIX_1o

Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/PBSDSDonate • Counting stars from the shore of the cosmic ocean… • Subscribe: http://bit.ly/iotbs_sub Twitter: @okaytobesmart • ↓ More info and sources below ↓ • LIKE THE SHIRT I'M WEARING? It's glow in the dark! You can get it here (along with space undies and other good stuff): https://www.etsy.com/shop/makeitgoodpdx • How many stars are there in the universe? Are there more stars out there than grains of sand on Earth? Thanks to advanced space telescopes, we've been able to peer farther into deep time and the distant universe than we ever thought possible, and we might finally be able to answer these mind-boggling questions • Every star visible from Earth (naked eye): http://en.wikipedia.org/wiki/Bright_S... • Number of stars in the universe (estimated): http://www.universetoday.com/102630/h... • Hubble gigapixel image of Andromeda: http://www.spacetelescope.org/images/... • Hubble eXtreme Deep Field: http://xdf.ucolick.org/ • How big is the sky? http://www.badastronomy.com/bitesize/... • How much sand is there on Earth? http://www.hawaii.edu/suremath/jsand.... • What would the cosmic sandbox look like? https://what-if.xkcd.com/83/ • Carl Sagan's Cosmos: The Shore of the Cosmic Ocean : • Video • • Have an idea for an episode or an amazing science question you want answered? Leave a comment below! • Follow on Twitter: / okaytobesmart • / jtotheizzoe • Follow on Tumblr: http://www.itsokaytobesmart.com • Follow on Instagram: / jtotheizzoe • ----------------- • It's Okay To Be Smart is written and hosted by Joe Hanson, Ph.DFollow me on Twitter: @jtotheizzoe • Email me: itsokaytobesmart AT gmail DOT com • Facebook: / itsokaytobesmart • Google+ https://plus.google.com/+itsokaytobes... • For more awesome science, check out: http://www.itsokaytobesmart.com • Produced by PBS Digital Studios: / pbsdigitalstudios • Joe Hanson - Creator/Host/Writer • Joe Nicolosi - Director • Amanda Fox - Producer, Spotzen IncKate Eads - Associate Producer • Andrew Matthews - Editing/Motion Graphics/Animation • Katie Graham - Director of Photography • John Knudsen - Gaffer • Dalton Allen - Post-Production Intern • Theme music: • Ouroboros by Kevin MacLeod • Other music via APM • Stock images from Shutterstock • ----------------- • Last week's video: • What Color Is The Universe • What Color is the Universe? • More videos: • Why Does February Have 28 Days? • Why Does February Only Have 28 Days? • Why Vaccines Work • Why Vaccines Work • Why Are Some People Left-Handed? • Why Are Some People Left-Handed? • Where Does the Smell of Rain Come From? • Where Does the Smell of Rain Come From?

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