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optical astronomy
noun
the branch of observational astronomy using telescopes to observe or photograph celestial objects in visible light.
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Origin:
1965–70
Related forms
optical astronomer,
noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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optical astronomy
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Optical astronomy
is always a great word to know.
So is
gobo
. Does it mean:
So is
doohickey
. Does it mean:
So is
quincunx
. Does it mean:
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
a fool or simpleton; ninny.
a gadget; dingus; thingumbob.
an extraordinary or unusual thing, person, or event; an exceptional example or instance.
an extraordinary or unusual thing, person, or event; an exceptional example or instance.
an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.
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Optical astronomy
People who can define
Optical astronomy
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45,520
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12th grader.
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