{"id":3833,"date":"2013-09-24T00:00:00","date_gmt":"2013-09-24T00:00:00","guid":{"rendered":"https:\/\/wpdev.hmc.edu\/physics\/2013\/09\/24\/what-every-physicist-should-know-about-observational-cosmology\/"},"modified":"2013-09-24T00:00:00","modified_gmt":"2013-09-24T00:00:00","slug":"what-every-physicist-should-know-about-observational-cosmology","status":"publish","type":"physics_colloquium","link":"https:\/\/www.hmc.edu\/physics\/research\/colloquium\/what-every-physicist-should-know-about-observational-cosmology\/","title":{"rendered":"What Every Physicist Should Know About Observational Cosmology"},"content":{"rendered":"<figure id=\"page-featured-image\" class=\"wp-block-image is-style-alignleft\" data-pic=\"pic-544.png\"><img decoding=\"async\" src=\"https:\/\/www.hmc.edu\/physics\/wp-content\/uploads\/sites\/22\/2023\/01\/pic-544.png\" alt=\"Promotional image for talk: Elements of a successful scientific talk\" data-pic=\"pic-544.png\" \/><\/figure>\n<p><strong>Speaker(s):<\/strong> Jodi Christiansen (\u201985)<\/p>\n<p>Over the past 20 years cosmology has been transformed from a largely theoretical pursuit to a high-precision science with ~1% uncertainties.\u00a0 The theoretical developments of the last century and the observations that led to the discovery of 95% of the \u201cstuff\u201d of our universe weave a fascinating tale that finally answers the fundamental question of how it all came to be the way it is from about a picosecond after the Big Bang until today. \u00a0We now find ourselves at a point where the general features of the universe can be explained with physics principles familiar to undergraduates, including conservation of energy and thermodynamics.\u00a0 In this talk I will present the physics model of the expanding universe and explain how it connects to important cosmological observations of Type Ia Supernovae, the Cosmic Microwave Background and Baryon Acoustic Oscillations.<\/p>\n","protected":false},"author":1,"featured_media":0,"template":"","class_list":["post-3833","physics_colloquium","type-physics_colloquium","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.hmc.edu\/physics\/wp-json\/wp\/v2\/physics_colloquium\/3833","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hmc.edu\/physics\/wp-json\/wp\/v2\/physics_colloquium"}],"about":[{"href":"https:\/\/www.hmc.edu\/physics\/wp-json\/wp\/v2\/types\/physics_colloquium"}],"author":[{"embeddable":true,"href":"https:\/\/www.hmc.edu\/physics\/wp-json\/wp\/v2\/users\/1"}],"wp:attachment":[{"href":"https:\/\/www.hmc.edu\/physics\/wp-json\/wp\/v2\/media?parent=3833"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}