Discoveryのインスタグラム(discovery) - 3月25日 01時29分

From @NASA: Storms Ignite X-ray "Northern Lights" on Jupiter: Solar storms are triggering X-ray auroras on Jupiter that are about eight times brighter than normal over a large area of the planet and hundreds of times more energetic than Earth's "northern lights," according to a new study using data from our Chandra X-ray Observatory. This result is the first time that Jupiter's auroras have been studied in X-ray light when a giant solar storm arrived at the planet.

The image show Jupiter and its aurora in October 2011. X-ray data from Chandra (purple) have been overlaid on an optical image from the Hubble Space Telescope.
Image credit: X-ray: NASA/CXC/UCL/W.Dunn et al, Optical: NASA/STScI

#nasa #space #nasabeyond #solarsystem #chandra #jupiter #aurora #astronomy #hubble #hst #science

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