zenithal hourly rate

noun

The number of meteors a single observer would see in one hour under a clear, dark sky (i.e. up to the limiting apparent magnitude of 6.5).

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Meanings

nounzenithal hourly rate (plural zenithal hourly rates)

plural zenithal hourly rates

  1. astronomyThe number of meteors a single observer would see in one hour under a clear, dark sky (i.e. up to the limiting apparent magnitude of 6.5).
Cite this entry
APA

zenithal hourly rate. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/zenithal%20hourly%20rate

MLA

“zenithal hourly rate.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/zenithal%20hourly%20rate. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “zenithal hourly rate,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/zenithal%20hourly%20rate.

Source: zenithal hourly rate on Wiktionary, CC BY-SA 4.0.