Wendy Freedman, a former team leader of the Hubble Key Project, is a professor of astronomy and astrophysics at the University of Chicago in Chicago, Illinois.
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29:00
Is It Time For A New Model Of The Universe?
Is the Hubble constant—a key part of how we measure the expansion of our universe—in a crisis? Some cosmologists say yes.
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17:14
The Amazing Expanding, Accelerating Universe
In this 1999 conversation from the Science Friday archives, astrophysicists Neta Bahcall and Wendy Freedman explain the then-revelation that the universe’s expansion is accelerating, not decelerating.