在线国产一区二区_成人黄色片在线观看_国产成人免费_日韩精品免费在线视频_亚洲精品美女久久_欧美一级免费在线观看

A meteor streaks over the North Star in the northern skies during the Perseid meteor shower early on Monday morning north of Castaic Lake, California August 12, 2013. According to NASA, the Perseid meteor shower, which is an annual event, reaches its peak on August 11 and 12. The fireballs from the meteorites are fast and plentiful, the agency adds, with as many as 100 visible in a single hour. [Photo/Agencies]