Supervoids vs Colliding Universes!

Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/DonateSPACE Uploaded 07-06-17 Could the mysterious Cold Spot found in the CMB be the result of a collision with a bubble universe? Try 23andMe at http://23andme.com/spacetime \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\__ \[CORRECTION: The calculated ISW cooling from cold spot observed voids is 0.000032 Kelvin not 0.032 K as is listed on screen, the actual cold spot temperature differential is 0.000150 Kelvin not 0.15 K, and the actual ISW cooling from the control region is 0.000014 Kelvin not 0.014 K. The actual control region temperature differential is 0.000015 Kelvin not 0.015K. Thanks to Chris Morong for catching this discrepancy!] You can further support us on Patreon at https://www.patreon.com/pbsspacetime Get your own Space Time t­shirt at http://bit.ly/1QlzoBi Tweet at us! @pbsspacetime Facebook: facebook.com/pbsspacetime Email us! pbsspacetime \[at] gmail \[dot] com Comment on Reddit: http://www.reddit.com/r/pbsspacetime Help translate our videos! https://www.youtube.com/timedtext\cs\panel?tab=2&c=UC7\gcs09iThXybpVgjHZ\7g Previous Episode: The Fate of the First Stars https://www.youtube.com/watch?v=4pSUtWBiuB4 Space Time Journal Club examines Evidence Against a Supervoid Causing the CMB Cold Spot https://arxiv.org/abs/1704.03814 If you study a map of the Cosmic Microwave Background, or CMB, you may notice a large, deep blue splotch on the lower right. This area, creatively named the Cold Spot. Is this feature a statistical fluke, the signature of vast supervoids, or even the imprint of another universe? Written by Matt O’Dowd and Alexandra Yep Hosted by Matt O'Dowd Produced by Rusty Ward Graphics by Kurt Ross Made by Kornhaber Brown (www.kornhaberbrown.com) Resources: Local Voids as the Origin of Large Scale CMB Anomalies https://arxiv.org/abs/astro-ph/0602478 Watching Worlds Collide http://iopscience.iop.org/article/10.1088/1475-7516/2009/04/025 Comments answer by Matt: Fjellreven https://www.youtube.com/watch?v=4pSUtWBiuB4&lc=z12cydr5qvbsjpnja04cftmasve4uz1os40 yeme https://www.youtube.com/watch?v=4pSUtWBiuB4&lc=z13xstcqcwzetxvqr04cef3haoapz1oiork0k myky992 https://www.youtube.com/watch?v=4pSUtWBiuB4&lc=z12rtll43pybfnifk23tjftzhnb2xd023 Andrew Wright https://www.youtube.com/watch?v=4pSUtWBiuB4&lc=z12svntwkwumv1n3l23mzlvomtr2zfjtg Special thanks to our Patreon Big Bang, Quasar and Hypernova Supporters: Big Bang Shane Robinson David Nicklas Samuel Dean Jacintho Eugene Lawson Simone “Evilsocket” Margaritelli Quasar Tambe Barsbay Coolascats Max Levine Hypernova Chuck Zegar Jordan Young Ratfeast John Hofmann Joseph Salomone Martha Hunt Science Via Markets Craig Peterson Thanks to our Patreon Gamma Ray Burst Supporters: Alex Seto Justin Lloyd Conor Dillon Jared Moore Michal-Peanut Karmi Bernardo Higuera Erik Stein Daniel Lyons Jade Bilkey Kevin Warne JJ Bagnell J Rejc Amy Jie Avi Goldfinger John Pettit Shannan Catalano Florian Stinglmayr Yubo Du Benoit Pagé-Guitard Ronny Polonia Nathan Leniz Jessica Fraley Loro Lukic Brandon Labonte David Crane Greg Weiss Eric Jackson Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices