NASAのインスタグラム(nasa) - 7月9日 03時42分

Flaring, active regions of our sun are highlighted in this new image combining observations from several telescopes. High-energy X-rays from our Nuclear Spectroscopic Telescope Array (NuSTAR) are shown in blue; low-energy X-rays from Japan's Hinode spacecraft are green; and extreme ultraviolet light from our Solar Dynamics Observatory (SDO) is yellow and red. All three telescopes captured their solar images around the same time on April 29, 2015. The NuSTAR image is a mosaic made from combining smaller images.

The active regions across the sun's surface contain material heated to several millions of degrees.
Image credit: NASA/JPL-Caltech/GSFC/JAXA

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