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标题: 最近哪天有流星雨啊 [打印本页]

作者: lili98 时间: 2004-11-19 00:31
标题: 最近哪天有流星雨啊
最近哪天有流星雨

作者: U2 时间: 2004-11-19 08:55
就是现在。狮子座流星雨。

Leonids

Active : November 14-21;Maximum : November 17, 8h 25mUT (sol = 235.27°);ZHR = 10-50+Radiant : alpha = 153°, delta = +22°;Radiant drift: see Table 6;V = 71 km/s;r = 2.9;TFC : alpha = 140°, delta = +35° and alpha = 129°, delta = +6° (beta>35° N); or alpha = 156°, delta = -3° and alpha = 129°, delta = +6° (beta<35° N);PFC : before 00h local time alpha = 120°, delta = +40° (beta>40° N); before 04h local time alpha = 120°, delta = +20° (beta>0° N); and after 04h local time alpha = 160°, delta = 0° (beta>0° N); before 04h local time alpha = 120°, delta = +10° (beta<0° N) and after 04h local time alpha = 160°, delta = -10° (beta<0° N).

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作者: U2 时间: 2004-11-19 08:58
http://story.news.yahoo.com/news?tmpl=story2&u=/space/20041112/sc_space/theleonidmeteorshower2004modestpeakexpectednov1619

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