Zenithal hourly rate

In astronomy, the zenithal hourly rate (ZHR) of a meteor shower is the number of meteors a single observer would see in an hour of peak activity, assumed the conditions are excellent (stars visible up to magnitude 6,5). ^[1]

5 relations: Apparent magnitude, Astronomy, Horizon, List of meteor showers, Meteor shower.

Apparent magnitude

The apparent magnitude of a celestial object is a number that is a measure of its brightness as seen by an observer on Earth.

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Astronomy

Astronomy (from ἀστρονομία) is a natural science that studies celestial objects and phenomena.

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Horizon

The horizon or skyline is the apparent line that separates earth from sky, the line that divides all visible directions into two categories: those that intersect the Earth's surface, and those that do not.

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List of meteor showers

Named meteor showers recur at approximately the same dates each year.

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Meteor shower

A meteor shower is a celestial event in which a number of meteors are observed to radiate, or originate, from one point in the night sky.

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Redirects here:

Zenith Hourly Rate, Zenith hourly rate, Zenithal Hourly Rate.

References

[1] https://en.wikipedia.org/wiki/Zenithal_hourly_rate

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