NASA’s Solar and Heliospheric Observatory, or SOHO, constantly observes the outer regions of the Sun’s corona using a coronagraph, which blocks the bright solar disk.

coronagraph

NASA’s Solar and Heliospheric Observatory, or SOHO, constantly observes the outer regions of the Sun’s corona using a coronagraph, which blocks the bright solar disk.

Credits: ESA/NASA/SOHO
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Image CreditESA/NASA/SOHO
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