(英鏈) 美國24小時內四個火球

24小時內四個火球
Four Fireballs at Four in Last 24 Hours
By Mike Hankey,
May 19, 2013

In the last 24 hours the AMS has received confirmed reports about 4 unique fireball events all occurring near 4:00 AM UTC time...
過去的24小時，AMS已收到證實的報告，大約有四宗個別的火球事件，全發生在4:00 AM UTC時間左右...

http://www.amsmeteors.org/2013/05/four-fireballs-at-four-in-last-24-hours/ .

Four fireballs in 24 hours in the USA. May 2013 .
美國24小時內四個火球
2013-05-20