A newly discovered exoplanet, named HIP 67522 b, orbits its young star, HIP 67522, at an extremely close distance, leading to unprecedented stellar flares. These flares, larger than any from the sun, may severely affect the planet's atmosphere due to their intense electromagnetic eruptions. The star is around 17 million years old, far younger than the sun, and exhibits aggressive flare activity. HIP 67522 b has a diameter approaching that of Jupiter, but with only 5% of its mass, making it exceptionally fluffy in consistency.
"A young star of this type is an angry beast, especially if you're sitting as close up as this planet does," said Netherlands Institute for Radio Astronomy astrophysicist Ekaterina Ilin.
The planet, named HIP 67522 b, has a diameter almost the size of Jupiter, but with only 5% of Jupiter's mass, making it one of the puffiest exoplanets known.
This exoplanet orbits its star so tightly that it appears to trigger flares from the stellar surface - larger than any observed from the sun.
The star, called HIP 67522, is slightly more massive than the sun and located about 407 light-years from Earth in the constellation Centaurus.
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