Participants noticed a string of mysterious lights in the night sky at a festival held in Sacramento, California, on the evening of March 17, the Associated Press reported.

An eyewitness filmed itSeveral tail-trailing lights followed back and forth across the night sky and said they lasted for about 40 seconds.The event organizers posted the video on social media, asking if anyone could solve the mystery.

The event organizers posted the video on social media, asking if anyone could solve the mystery.& ldquo; has a 99.9% chance & rdquo; is caused by the burning of space junk, which he analyzed may be an abandoned Japanese-made inter-orbital communication device.。

& ldquo; this is clearly space debris, these large pieces of burning debris, separated from Japanese space equipment, re-entered the atmosphere at night. & rdquo

It is reported that the Japanese equipment, which it described as a communications device, weighed 310 kilograms and was installed on the International Space Station to transmit information from the space station to a communications satellite. It was abandoned after it was decommissioned in 2017.

“Considering that it will burn out on its way back to Earth, in order to save space, the International Space Station threw it ldquo; as garbage in 2020.The burning of space junk created a spectacular view of the night sky, which was estimated to be at an altitude of 64 kilometers at a speed of thousands of kilometers per hour. & rdquo