On 9 oct 1933 and 1946 , it appeared as a meteor storm 在1933年和1946年的10月9日,便曾出現(xiàn)了天座流星暴。
Recently , the most spectacular meteor storm was in 1996 . there were more than 2 500 meteors streaked across the sky every minute 近年來,最壯觀的流星雨要數(shù)發(fā)生在1996年的那次。每一分鐘有2500多顆流星劃過天空。
A meteor shower becomes a meteor storm when the meteors hourly rate reaches several hundreds per hour . at this time , you can shorten the time of observation to 5 or 10 minutes , while the region of the sky being monitored can be reduced . these changes should also be specified on the record sheet 若在流星雨出現(xiàn)時,每小時的流星數(shù)目多達數(shù)百顆,稱為流星暴,這時觀測時間的長度可減至5到1 0分鐘,而觀測天區(qū)的面積也可相對地減少,這些變化也應(yīng)標明于記錄表上。