Jul 12

Dramatic change spotted on a faraway planet

Source: ESA/Hubble Science Release heic1209

Stellar flare hits HD 189733b (artist's impression) .
Image credits: NASA, ESA, L. Calçada

Astronomers using the NASA/ESA Hubble Space Telescope have seen dramatic changes in the upper atmosphere of a faraway planet. Just after a violent flare on its parent star bathed it in intense X-ray radiation, the planet’s atmosphere gave off a powerful burst of evaporation. The observations give a tantalising glimpse of the changing climates and weather on planets outside our Solar System.(read more)

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