Astronomy Answers: From the Astronomical Dictionary
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The description of the word you requested from the astronomical dictionary is given
below.
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
- ℃
- ℉
Aa
A>
-
the absorption line
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absorptio = [Latin] drink
An absorption line is a spectral line (a narrow band of colors) in
which an object shines less brightly than in other similar colors.