A solar X-ray image from the Yohkoh mission, Japan. The image shows the Sun and its corona. The X-ray telescope was made through a joint effort between the US and Japan. Image courtesy of the High Altitude Observatory, NCAR.
the High Altitude Observatory, National Center for Atmospheric Research (NCAR), Boulder, Colorado, USA. NCAR is sponsored by the National Science Foundation. The solar X-ray image is from the Yohkoh mission of ISAS, Japan.