Wendy Laurel Freedman9 June 1993
Freedman leads Hubble Cepheid measurements that refine the distance to galaxy M81 and improve estimates of the universe's age.
United States · Science / Astronomy. Chronological records rendered directly from the World History Database.
Freedman leads Hubble Cepheid measurements that refine the distance to galaxy M81 and improve estimates of the universe's age.
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