New Zealand observers noticed a mysterious phenomenon that appeared in the sky on Sunday evening. It was a blue spiral, the origin of which remained a mystery, according to The Guardian.

At around 7:25 pm, Alasdair Burns, star guide on Stewart/Rakiura Island, received a message from a friend: go outside and look at the sky. “Once we got outside, it was obvious what he meant,” Burns said.. He saw a giant luminous spiral.

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“It was like a giant spiral galaxy that just hung in the sky and drifted. Pretty creepy feeling," He took several photographs of an unusual phenomenon. In addition, photos like this quickly surfaced on social media, with amateur astronomers and night sky watchers wondering what caused the mysterious phenomenon..

There have been many theories, from UFOs to foreign missiles to commercial displays.. But the reality turned out to be much more prosaic..

Richard Easter, a physicist at the University of Auckland, called the phenomenon " According to him, a similar phenomenon occurs when a rocket launches a satellite into orbit..

“When the fuel is ejected from behind, there is something that essentially consists of water and carbon dioxide, which for a short time form a cloud in space, illuminated by the sun.. The geometry of the satellite's orbit, as well as our position in relation to the sun, led to the creation of these strange clouds that were visible from the South Island, ”Easter said..

According to him, it is likely that the mysterious spiral appeared after the launch of the SpaceX launch vehicle, which delivered the Globalstar satellite into orbit.. The launch of this rocket took place from the spaceport at Cape Canaveral in Florida.

Burns also suggested that the spiral was formed by a space launch..

According to him, he read about a similar case, when the launch of a Russian rocket led to the appearance of huge blue spirals in the sky over Norway..

But, according to Burns, even knowing what caused the unusual phenomenon, it was a stunning sight.. " It was impressive,” he said..

Astronomers have previously discovered a supermassive black hole that is growing faster than any other discovered so far.. The mass of this giant is three billion times the mass of the Sun, and the rate at which it absorbs matter makes it grow incredibly fast..