Definitions from Wiktionary (Zenithal Hourly Rate)
▸ noun: (astronomy) 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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▸ noun: (astronomy) 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).
Similar:
zenith,
zenith sector,
altitude,
zenith telescope,
astrophotometry,
uranometry,
airmass,
nonagesimal,
civil time,
starset,
more...
▸ Words similar to zenithal hourly rate
▸ Usage examples for zenithal hourly rate
▸ Idioms related to zenithal hourly rate
▸ Wikipedia articles (New!)
▸ Words that often appear near zenithal hourly rate
▸ Rhymes of zenithal hourly rate
▸ Invented words related to zenithal hourly rate