Read More: AZ Central
Astronomers say the bright light that streaked across the night sky Tuesday was "almost certainly" a meteor. The city of Phoenix captured the illumination on one of its observation cameras and posted it to Twitter. In the video, a large, glowing bulb appears in the top-right frame and then fades out in three seconds. A smaller light can be seen in the lower portion of the frame, off in the horizon. It happened around 8:30 p.m.