A man was left bemused after spotting a strange 'shape shifting' object out his window during a flight - and now he believes it was a UFO.
Conspiracy theorist "Disclose Screen The Grimreefar" has shared a video clip of the sighting after he was sent it by a German tourist, who watched the object, that he believes to be a UFO, for seven minutes.
In the clip, which was captured on a Nikon P900 camera, a white illuminating object is seen flying at a higher altitude than the plane, changing shape multiple times, as reports the Daily Star.
At one point it is straight and then it turns into a Y-shaped figure, and the YouTube vlogger believes that what had been caught on camera could be a "plasma-based life form" on Earth.
What do you think about shape shifting object, is it a UFO? Let us know in the comments
He explained: "I've got this incredible sighting on film by a passenger on board an airline of what appears to be a shape-shifting object.
"It almost looks like it's made out of plasma, the only downfall to this video is I've only been able to obtain the quality of 460p. I wish we had more but it is enough.
"The plane's altitude is anywhere between 10,000 and 30,000 feet and this object is filmed over seven minutes above the altitude of the plane and it seems to be moving alongside with the plane.
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"People are going to call this a UFO, well technically it is, but I'm leaning more towards this being a biological entity or a plasma-based life form living in our upper atmosphere."
The clip was shared on a UFO Reddit group and many shared their thoughts on the phenomenon.
One wrote: "Looks hyper-dimensional; we're seeing a moving slice of it interact with our 3D space."
"That alien morphed into a shopping cart in sky," a second added.
Others said it was the most astonishing UFO video they had ever seen.
But some believed the plane passenger was fascinated by something on the plane window rather than a UFO phenomenon.
A viewer suggested: "I think it could be a camera zoomed in on a large water droplet on the outside of the window. Especially at the end it looks like water under a microscope."
And a second pointed out a light transformation theory, saying: "Especially toward the end, that looks very much like refraction patterns. Google 'refractograph' to see what some of those can look like."
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