Guam Meteor
© YouTube Screen Capture
If you were looking at Tuesday's night sky and saw a flashing light, you caught a glimpse of a meteor. This is viewer submitted video taken from Hagatna. According to National Weather Service meteorologist Landon Aydlett, it's a rare sighting.

Meteors are chunks of rock floating through space. As they come through the atmosphere, they become incandescent and appear as a streak of light.