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بارش شهابی ربعی

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بارش شهابی ربعی

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The Quadrantids (QUA) are a meteor shower that peaks in early January and whose radiant lies in the constellation Boötes. The zenithal hourly rate (ZHR) of this shower can be as high as that of two other reliably rich meteor showers, the Perseids in August and the Geminids in December, yet Quadrantid meteors are not seen as often as those of the two other showers because the time frame of the peak is exceedingly narrow, sometimes lasting only hours. Moreover, the meteors are quite faint, with mean apparent magnitudes between 3.0 and 6.0.

Key facts

Meteor shower.name
Quadrantids (QUA)
Meteor shower.date
1820s
Meteor shower.constellation
Boötes
Meteor shower.peak
January 3
Meteor shower.velocity
41
Meteor shower.zhr
120

via Wikipedia infobox

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