hour angle
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hour angle Definition
(n)
the
angular
distance
along
the
celestial
equator
from
the
observer
''
s
meridian
to
the
hour
circle
of
a
given
celestial
body
(n) (
astronomy
)
the
angular
distance
of
a
celestial
point
measured
westward
along
the
celestial
equator
from
the
zenith
crossing
;
the
right
ascension
for
an
observer
at
a
particular
location
and
time
of
day
hour angle Synonyms
HA
hour angle
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