coronagraphNASA’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.Image Credit: ESA/NASA/SOHO Facebook Pinterest X LinkedIn Email https://science.nasa.gov/image-detail/coronagraph/Copy URL to clipboard> DownloadShareImage CreditESA/NASA/SOHOSize540x540px