Solar eclipse totality, composite image
Deep high dynamic range composite of different exposures revealing fine details in solar corona during the total solar eclipse on 2 July 2019, captured from the La Silla Observatory, Chile. The solar corona is a plasma of free electrons scattering the Sun's light. The electrons in it are affected by the star's magnetic field, so their shape reveals the fields' contours. During this eclipse, the corona had the dipole character typical during a deep solar minimum. The thin streamers sticking out indicate the two poles, while the Sun's equator is highlighted by long streamers and magnetic loops. In reality, the corona extends much further than the edges of this image.
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