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Allan Sandage
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Allan Sandage
Allan Rex Sandage
(June 18, 1926 – November 13, 2010) was an
American
astronomer
. He was Staff Member
Emeritus
with the
Carnegie Observatories
in
Pasadena, California
. He determined the first reasonably accurate values for the
Hubble constant
and the
age of the universe
. He also discovered the first
quasar
.
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