蒙城华人网
标题:
最近哪天有流星雨啊
[打印本页]
作者:
lili98
时间:
2004-11-18 23:31
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 07:55
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).
</PRE>
作者:
U2
时间:
2004-11-19 07:58
http://story.news.yahoo.com/news?tmpl=story2&u=/space/20041112/sc_space/theleonidmeteorshower2004modestpeakexpectednov1619
欢迎光临 蒙城华人网 (https://www.sinoquebec.com/)
Powered by Discuz! X3.1