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DTSTART;TZID=America/Chicago:20230509T143000
DTEND;TZID=America/Chicago:20230509T163000
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UID:10000071-1683642600-1683649800@feuniversity.org
SUMMARY:Peering Back to the Big Bang: The Quest to Detect Cosmic Inflation
DESCRIPTION:This class will take place on May 9\, 2:30-4:30p.m.\, on Zoom\, with renowned physicist Gary Sanders. Although you can sign up separately\, we encourage you to also take Gary’s class Listening to the Universe Vibrate on May 2! \nThe Big Bang is considered to be the starting point of our observable universe. The Big Bang initiated in the vacuum of space-time\, as we describe it in everyday language. How can that happen? Was it a start of time and space? Was it a quantum fluctuation in the prior vacuum? We don’t know. As the universe expanded and cooled to the point that atoms could form and emit light that could travel finite distances\, the universe became luminous. This happened about 380\,000 years after the Big Bang. This first light can be seen in any direction of the sky as a very uniform bath of microwaves. This Cosmic Microwave Background (CMB) will be described. \nThe nearly smooth distribution of brightness of these microwaves\, in every direction\, is a surprise. How did the very early universe get so smooth? The prevailing theory describes a short violent expansion of the fledgling universe\, faster than the speed of light\, that smoothed the universe with imperfections caused only by quantum fluctuations. These imperfections provided the means\, much later\, for the rich features we see in the observable universe such as stars and galaxies. But cosmic inflation happened before the first light. How can we see it or discount it? The search for signatures of cosmic inflation in the CMB\, in space\, Antarctica and at 17000 feet in Chile\, will be summarized. \nTopics covered will include: \n\nIntuitive physics\, nothingness\, the vacuum\, Heisenberg Uncertainty and quantum aspects of the vacuum\, space-time\nThe time progression of the universe from the Big Bang to today\nFirst light in the universe\, the Cosmic Microwave Background (CMB)\, the 1964 discovery as a surprising static\nWhat happened before this first light to make the universe so smooth? Cosmic “Inflation”?\nQuantum fluctuations yield primordial gravitational waves\nThe birth trauma of searches for cosmic inflation\nThe ongoing quest to see through the CMB back to inflation\nWhat we are about to do with the Simons Observatory at 17000 feet in Chile\n\nSuggested Reading: \n\nLosing the Nobel Prize\, by Brian Keating \nThe Little Book of Cosmology\, by Lyman Page \nInstructor: Dr. Gary Sanders \nOffline Registration: Download PDF Registration Form\, complete and mail in with payment. \nRegistration Questions? Contact us or call (715) 892-3982 or (715) 476-2881. \nRegistration Issues/Troubleshooting: If you are registering with one email address for two or more people\, please register each person individually (i.e. do not register all at once\, but add students one at a time to checkout). If you continue to have difficulty or have another question\, please contact us.
URL:https://feuniversity.org/class/peering-back-to-the-big-bang-the-quest-to-detect-cosmic-inflation/
LOCATION:Zoom Online
ATTACH;FMTTYPE=image/png:https://feuniversity.org/wp-content/uploads/2023/02/Copy-of-Listening-to-the-Universe-Vibrate.png
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DTSTART;TZID=America/Chicago:20230502T143000
DTEND;TZID=America/Chicago:20230502T163000
DTSTAMP:20260605T160753
CREATED:20230210T220342Z
LAST-MODIFIED:20230313T200030Z
UID:10000069-1683037800-1683045000@feuniversity.org
SUMMARY:Listening to the Universe Vibrate: The New Dark Astronomy
DESCRIPTION:This class will take place on May 2\, 2:30-4:30p.m.\, on Zoom\, with renowned physicist Gary Sanders. Gary is offering a second\, unmissable class on May 9! Click here to find out more. \nAstronomy has always been done with electromagnetic waves (light\, radio waves\, microwaves\, x-rays\, gamma rays). But much of the universe is dark. And it is massive and\, in places\, enormously violent. To reveal this universe\, ripples in the fabric of space-time\, gravitational waves\, predicted by Einstein in 1916\, were detected by the Laser Interferometer Gravitational Wave Observatory (LIGO) in 2014. In the audio frequencies\, these waves enable us to listen and draw a new map of a surprising universe. Space- time\, intuitively the nothingness of the universe\, is a rich and energetic medium that we live in. It is now the basis of a new multi-messenger astronomy that will be described by physicist Gary Sanders. \nTopics covered will include: \n\nTraditional astronomy with light\nNothingness\, the vacuum\, quantum aspects of the vacuum\, space-time\nGeneral Relativity and gravitational waves\nThe challenge of detecting gravitational waves\nThe birth trauma of gravitational wave searches\nHow LIGO changed the game plan and made the detection\nFirst discoveries from listening to the universe\n\nSuggested Reading: \nClick here to view and read the LIGO website. \n\nInstructor: Dr. Gary Sanders \nOffline Registration: Download PDF Registration Form\, complete and mail in with payment. \nRegistration Questions? Contact us or call (715) 892-3982 or (715) 476-2881. \nRegistration Issues/Troubleshooting: If you are registering with one email address for two or more people\, please register each person individually (i.e. do not register all at once\, but add students one at a time to checkout). If you continue to have difficulty or have another question\, please contact us.
URL:https://feuniversity.org/class/listening-to-the-universe-vibrate-the-new-dark-astronomy/
LOCATION:Zoom Online
ATTACH;FMTTYPE=image/png:https://feuniversity.org/wp-content/uploads/2023/02/Listening-to-the-Universe-Vibrate.png
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