Saturday Morning Physics - Dark Matter, Dark Energy, and Einstein’s Cosmological Constant
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Saturday Morning Physics - Dark Matter, Dark Energy, and Einstein’s Cosmological Constant
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SATURDAY MORNING PHYSICS
"Dark Matter, Dark Energy, and Einstein’s Cosmological Constant"
Bharat Ratra, Distinguished Professor of Physics (Kansas State University)
Dark energy is the leading candidate for the mechanism driving the acceleration of the universe's expansion. Bharat Ratra will describe the astronomical data that persuades cosmologists that dark matter and the as-yet-undetected dark energy are by far the main components of the universe at present. He will review how observations have led to the development of a quantitative "standard" model of cosmology that describes the evolution of the universe from the structureless epoch of inflation to the complex structure seen today. In this non-technical talk, he will also discuss the basic physics and the history of the ideas underlying this model.
October 17, 2026
170 Weiser Hall
Enjoy Saturday Morning Physics? Donations help to make Saturday Morning Physics possible. Thank you for your generous support. https://myumi.ch/XyzEZ
About Saturday Morning Physics
Physics is a fundamental science and provides the foundations for solving both cosmic mysteries and practical problems. In 1995, the University of Michigan Department of Physics began sharing the latest ideas in the field with the public through the Saturday Morning Physics lecture series. Designed for general audiences, the lectures are an opportunity to hear physicists discuss their work in easy-to-understand, non-technical terms. The multimedia presentations include hands-on demonstrations of the discussed principles, along with slides, videos, and computer simulations.
More information is available at https://saturdaymorningphysics.org
Would you like to be notified of upcoming Saturday Morning Physics talks? Just fill out the form available here: https://myumi.ch/bVzP2. Our mailing list is used only by our department. We send occasional updates about Saturday Morning Physics talks and special events of interest.
"Dark Matter, Dark Energy, and Einstein’s Cosmological Constant"
Bharat Ratra, Distinguished Professor of Physics (Kansas State University)
Dark energy is the leading candidate for the mechanism driving the acceleration of the universe's expansion. Bharat Ratra will describe the astronomical data that persuades cosmologists that dark matter and the as-yet-undetected dark energy are by far the main components of the universe at present. He will review how observations have led to the development of a quantitative "standard" model of cosmology that describes the evolution of the universe from the structureless epoch of inflation to the complex structure seen today. In this non-technical talk, he will also discuss the basic physics and the history of the ideas underlying this model.
October 17, 2026
170 Weiser Hall
Enjoy Saturday Morning Physics? Donations help to make Saturday Morning Physics possible. Thank you for your generous support. https://myumi.ch/XyzEZ
About Saturday Morning Physics
Physics is a fundamental science and provides the foundations for solving both cosmic mysteries and practical problems. In 1995, the University of Michigan Department of Physics began sharing the latest ideas in the field with the public through the Saturday Morning Physics lecture series. Designed for general audiences, the lectures are an opportunity to hear physicists discuss their work in easy-to-understand, non-technical terms. The multimedia presentations include hands-on demonstrations of the discussed principles, along with slides, videos, and computer simulations.
More information is available at https://saturdaymorningphysics.org
Would you like to be notified of upcoming Saturday Morning Physics talks? Just fill out the form available here: https://myumi.ch/bVzP2. Our mailing list is used only by our department. We send occasional updates about Saturday Morning Physics talks and special events of interest.
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