•  An unidentified flying object, or UFO, is any apparent anomaly in the sky.

An unidentified flying object, or UFO, is any apparent anomaly in the sky. (Photo : YouTube/ Mystery Universe)

A strange object giving off a spark of mysterious lights was recently spotted in the sky over parts of Las Vegas in the United Stated on July 27, Wednesday. The mysterious object was apparently burning in the sky.

The streaking lights appeared in the sky at around 9:35 p.m. PDT, according to Fox 5. After witnessing the unusual phenomenon, hundreds of people contacted the station to inform them about the mysterious object that sparked in the night sky at that particular moment.

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The lights were reported by residents living in parts of Las Vegas, Los Angeles, Idaho, Northern California, Reno, Salt Lake City and Phoenix. A number of people hopped on to the social media to share what they just witnessed and it was just enough to create a buzz among everyone and instigate several UFO theories.

Many people believed that it was some sought of space debris burning up in the sky. However, later it was identified as the remains on a Chinese rocket named Chang Zheng-7, according to the Huffington Post. A spokeswoman for the U.S. Strategic Command confirmed to the publication that the object could be a part of the Chinese rocket that burned up while re-entering Earth's atmosphere.

Chang Zheng-7 was launched on June 25, 2016 and it stayed in low orbit for about one month. However, it re-entered Earth's atmosphere last week at around 18,000 mph, which may have burned it up.

A few people believe that it must be a meteorite that burned up. Another theory put forward by a number of experts suggest that the lights could be a part of the Delta Aquarid meteor shower, which was expected to reach its peak between July 28, Thursday and July 29, Friday. There is another lot of people who believe that it could be a part of something extraterrestrial or a remnant of space station falling out of the sky.

People who witnessed flares in the sky were prompt enough to capture the moment and upload the video on YouTube. One clear video of burning remnants was shot by a resident in the east of the Sierra Nevada mountain range in California's Alabama Hills.

The following video shows the mysterious object falling through the sky: