The bright streaks of light were spotted around 1:30 a.m. Tuesday. Users online reported seeing it across the region, from Temecula, Orange County, Los Angeles and beyond.
[Ads /]
Many took to social media to get answers about the origin of the lights.
Find our latest updates on the celestial light show here | Streaking lights that lit up SoCal night sky were caused by Chinese space junk reentry, experts say
Some speculated it was a possible meteor or comet, while others thought it could be debris from the SpaceX Falcon 9 rocket that took off from Vandenberg Space Force Base around 7:30 p.m. Monday.
Did you see it? SpaceX Falcon 9 rocket launches from SoCal coast
The Aerospace Corporation, an independent non-profit corporation that's federally funded, does space research and has information on its website about a Chinese spacecraft that was predicted to re-enter the planet's atmosphere near L.A. around the time the lights were spotted.
[Ads /]
NASA's Jet Propulsion Laboratory has a breakdown of celestial events happening this month - such as easy-to-spot planets, an eclipse and a comet that is viewable with binoculars - but nothing to answer the mystery.
Eyewitness News reached out to SpaceX, The Aerospace Corporation NASA and JPL regarding the incident but has not heard back.