Measuring the stars

Measuring the stars

WashU’s Performing Arts Department in Arts & Sciences will present “Silent Sky,” which explores the life and work of celebrated astronomer Henrietta Leavitt, in the A.E. Hotchner Studio Theatre Nov. 20-23.
Cosmic ‘lenses’ will better define dark matter

Cosmic ‘lenses’ will better define dark matter

Physicists Bryce Wedig and Tansu Daylan, in Arts & Sciences, calculated how many gravitational lenses will be uncovered by NASA’s Nancy Grace Roman Space Telescope when it begins science operations in 2027. By examining a large population of these lenses, the researchers hope to learn a lot more about the mysterious nature of dark matter.
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