A thermal video captured a 'pair of UFOs' flying over the coast of Northern California, stumping locals and experts alike.

On Friday, Reddit user @louthegoon posted the video to the 'The UFOs Subreddit' - a forum for UFO discussions where people can talk about sightings, experiences, news and investigations.

He recorded the video from Pacifica, California, on November 29 at 10:29 pm, which features 'two solid heat-objects flying in tandem'.

Midway through the video, the scorching hot objects can be seen rotating in unison while maintaining a consistent distance between them.

After the footage went viral, some Reddit users in the comments expressed disbelief.

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