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Chord (astronomy)
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Physics
Subfields of physics
Astrophysics
Celestial mechanics
Astronomical events
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In
astronomy
,
a
"chord" refers to
a
straight
line segment
whose endpoints lie on the
surface
of
a
celestial body, such
as
a
planet
or
a
moon
. Specifically, when discussing the
orbits
of celestial bodies or the
shape
of their
surfaces
,
a
chord can be used to measure
distances
across the body.
Ancestors
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Astronomical events
Celestial mechanics
Astrophysics
Subfields of physics
Physics
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