Shells of Cosmic Time (ft. AstroKatie)

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Shells of Cosmic Time (ft. AstroKatie) with tags physics, minutephysics, science

Thanks to @AstroKatie (http://astrokatie.com, http://twitter.com/astrokatie) for the collaboration!Go to http://www.brilliant.org/minutephysics for free daily science puzzlesHere's the original twitter thread https://twitter.com/astrokatie/status/1066526148149108736Support MinutePhysics on Patreon! http://www.patreon.com/minutephysicsLink to Patreon Supporters: http://www.minutephysics.com/supporters/This video is about the cosmic distance scale and how we see objects farther away in space (ie at higher red shift) farther back in time because light takes time to reach us. Thus we can see not only stars and galaxies, but also the primordial stars & proto-galaxies, and even the remnants of the beginning of the universe itself: the CMB cosmic microwave background left over from the big bang. MinutePhysics is on twitter - @minutephysicsAnd facebook - http://facebook.com/minutephysicsMinute Physics provides an energetic and entertaining view of old and new problems in physics -- all in a minute!Created by Henry Reich