NASAのインスタグラム(nasa) - 9月30日 00時45分

Mid-level Solar Flare Captured: A mid-level solar flare, M5.1 class, erupts from the sun, peaking at 10:58 p.m. EDT on Sept. 27, 2014, in this image from our Solar Dynamics Observatory. The bright flash of light shows material at some 18 million F. SDO captures such temperatures by focusing on light with a wavelength of 131 Angstroms, which is typically colorized in teal.

Image Credit: NASA/SDO

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