Zenithal Hourly Rate love

Zenithal Hourly Rate

Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun astronomy number of meteors a single observer would see in one hour under a clear, dark sky (i.e. upto the limiting apparent magnitude of 6.5).

Etymologies

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Examples

  • The ZHR (Zenithal Hourly Rate which is a measure of how many meteors one can see in an hour) for Geminids is about 50-100, which is quite high, Devgun said.

    Daily News & Analysis 2009

  • The ZHR (Zenithal Hourly Rate which is a measure of how many meteors one can see in an hour) for Geminids is about 50-100, which is quite high, Devgun said.

    Daily News & Analysis 2009

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