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Stellar superflares’ trigger challenged

A 'hot Jupiter' may not be needed for huge eruptions on sunlike stars

By Nadia Drake

- More than 2 years ago

Not just a sartorial trend in ’70s trousers, superflares are enormous stellar eruptions that dwarf the most energetic sneeze the sun is likely to produce.

STARFLASH This illustration shows what a superflare might look like if seen from a planet orbiting a nearby sunlike star.