Hubble time
English
Noun
Hubble
time
(
uncountable
)
(
astronomy
,
cosmology
)
A
constant
defined as
1
/
H
0
{\displaystyle 1/H_{0}}
, where
H
0
{\displaystyle H_{0}}
is the
Hubble constant
.
1
/
H
0
{\displaystyle 1/H_{0}}
is equal to 4.55×10
17
seconds or 14.4
billion
years.
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