Dawes' limit

noun

ˈdȯz(ə̇z)-
: an approximate value of the resolving power of a telescope based on the theoretical size of the spurious disk being equal in seconds of arc to 4.56 divided by the aperture of the telescope expressed in inches

Word History

Etymology

after William R. Dawes †1868 English astronomer

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Cite this Entry

“Dawes' limit.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Dawes%27%20limit. Accessed 28 Jan. 2023.

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