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・ June Martel
・ June Martino
・ June Maston
・ June Mathis
・ June Maule
・ June McCabe
・ June McCarroll
・ June Mendoza
・ June Middleton
・ June Miles-Kingston
・ June Miller
・ June Millington
・ June Moon
・ June Moon (film)
・ June Boland
June Bootids
・ June Boyce-Tillman
・ June Brae
・ June Bragger
・ June Brewster
・ June Bride
・ June Brigman
・ June Bronhill
・ June Brooks
・ June Brown
・ June Buchanan
・ June Buchanan School
・ June bug
・ June bug (cocktail)
・ June Burn


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June Bootids : ウィキペディア英語版
June Bootids
The June Boötids are a meteor shower occurring roughly between 26 June and 2 July each year. In most years their activity is weak, with a zenith hourly rate (ZHR) of only 1 or 2. However, occasional outbursts have been seen, with the outburst of 1916 drawing attention to the previously unrecorded meteor shower. The most recent outburst occurred in 1998, when the ZHR reached up to 100. The meteor shower occurs when the Earth crosses the orbit of Comet Pons-Winnecke, a short-period comet which orbits the Sun once every 6.37 years.
They can be very unpredictable. They are also considered very slow meteors, as there are much faster ones. They peak on June 27.
==External links==

* http://meteorshowersonline.com/showers/june_bootids.html
* http://spaceweather.com/meteors/junebootids.html


抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「June Bootids」の詳細全文を読む



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