The Accelerating Expanding Universe: Dark Matter, Dark Energy, and Einstein’s Cosmological Constant

Washington University in St. Louis Department of Physics Crow Hall, Room 201, St. Louis, MO

FREE and OPEN to ALL. Junior Academy members, middle and high school students welcome and encouraged to attend. Registration not required.

Parking is available in the East End Parking Garage.

Featured Speaker: Bharat Ratra, Ph.D., Distinguished Professor of Physics, Department of Physics, Kansas State University

Dark energy is the leading candidate for the mechanism that is responsible for causing the cosmological expansion to accelerate. Professor Bharat Ratra describes the astronomical data which persuade cosmologists that (as yet undetected) dark energy and dark matter are by far the main components of the energy budget of the universe at the present time.