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published in(发表于) 2016/11/4 10:18:04
Feast: three major meteor shower November took turns on stage,

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Feast: three major meteor shower November took turns on stage-IT information

North taurid meteor shower, Meteor, November the orionid meteor shower, the three took turns on stage "unearthly" will be the November global phenomena "leading role". 4th, the reporter learned from the Purple Mountain Observatory, Chinese Academy of Sciences the "forecast".

According to the Purple Mountain Observatory science personnel, Northern taurids and southern taurids can be described as "twin brothers", "northern brother" and "South" on the parent Comet was Comet 2P/Encke, traffic is small, and meteoroids is "slow".

Observatory predicted that the "northern brother" Max will appear before and after November 12. Although the single digits per hour flow, but it is famous for its dazzling bright Meteor, often fire Meteor flashes, so still worth looking forward to.

The Leonid meteor shower, who is one of the many amateur astronomers show alone to chase the object. Annual throughput of meteor showers, as the name "lion" temper, broke out to achieve "torrential rain" level. According to the records, in 1833 in the United States East Coast, observers had witnessed tens of thousands of Leonids per hour outbreak in 1966, there were also the outbreak of more than 100,000 per hour.

According to the Hong Kong Observatory forecasts, this year's Leonid meteor shower maximum, will appear in Beijing November 17, at 12 o'clock, Zenith hourly flow of around 15. An ideal observation period is 17th between midnight and dawn.

November sky last "hero"-in November the orionid meteor shower, is usually very easy to record "snapshot" of the meteor shower.

Astronomy experts say its great value appears in the November 28 this year, while single digits flows, but at that time, no Moonlight, so take a chance look at the Group shooting star.


大饱眼福:三大流星雨11月轮番登场 - IT资讯

北金牛座流星雨、狮子座流星雨、十一月猎户座流星雨,这三位即将轮番登场的“飘逸客”将是11月全球天象“主角”。4日,记者从中国科学院紫金山天文台获悉该则“预报单”。

据紫金山天文台科普部人员介绍,北金牛座流星雨、南金牛座流星雨可谓“双胞胎兄弟”,“北兄”与“南兄”的母彗星都是2P/Encke彗星,流量都不大,且流星体都是“慢吞吞”的。

天文台预计,今年“北兄”的极大值,将出现在11月12日前后。虽然每小时流量只有个位数,但其以耀眼的亮流星著称,常有火流星一闪而过,因此仍然值得期待。

而狮子座流星雨,素来是众多天文爱好者情有独钟的追逐对象。常年流量不大的流星雨,正如其名“狮子”的脾气一样,爆发时可达到“暴雨”的量级。据记录,1833年在美国东海岸,观测者曾目击每小时数万颗的狮子座流星雨大爆发;1966年也曾出现过每小时10万颗以上的爆发。

据天文台预测,今年狮子座流星雨的极大值,将出现在北京时间11月17日12时,每小时天顶流量为15颗左右。较为理想的观测时段为17日午夜至黎明前。

11月天幕最后一位“主角”——十一月猎户座流星雨,通常是很容易被人记录“抓拍”的流星雨。

天文专家介绍说,今年它的极大值将出现在11月28日,尽管只有个位数流量,但当时正值无月夜,所以可碰运气观其群内流星。





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