Astronomers have captured the first footage of a solar "tsunami" hurtling through the Sun's atmosphere at over a million kilometres per hour.

The event was captured by Nasa's twin Stereo spacecraft designed to make 3D images of our parent star.

Naturally, this type of tsunami does not involve water; instead, it is a wave of pressure that travels across the Sun very fast.

Details were reported at the UK National Astronomy Meeting in Belfast.

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