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What does RA stand for?

RA stands for Right Ascension (astronomy)

This definition appears very frequently and is found in the following Acronym Finder categories:

  • Science, medicine, engineering, etc.

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We have 122 other meanings of RA in our Acronym Attic

Samples in periodicals archive:

The list has been arranged in order by right ascension rather than by constellation and this greatly resticts its value, since objects close together in the sky are scattered throughout many different pages of the targets list.