What’s that?  Apparently astronomers have seen a rare occurance in a new way:

Researchers have recorded a never-before-seen phenomenon bursting from the surface of the Sun: large-scale blast waves paired with particle emissions that are rich in helium-3.

Extending over more than 500,000 kilometres (300,000 miles) and travelling at speeds of around 300 km (190 miles) per second, these blast waves are thought to propel helium-3-rich particle streams into space – something that’s previously been observed but not explained.

Let’s check out an actual video of blast waves on page 2

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