What was that mystery light in the sky?

Story highlights

  • Mystery light spotted in the West spur questions on social media
  • Prevailing theory is that it's space junk from a Chinese rocket

(CNN)Bright, long streaks of light soared across the sky from Utah to California, stunning residents who got an unexpected show Wednesday night.

Theories over the stunning, mystery lights were many. Witnesses posted their videos on social media asking the b