Constellation-X Observatory

The Constellation-X Observatory (HTXS or Con-X) was a mission concept for an X-ray space observatory to be operated by NASA; in 2008 it was merged with ESA and JAXA efforts in the same direction to produce the International X-ray Observatory project, announced on July 24, 2008.

Constellation-X Observatory

The Constellation-X Observatory (HTXS or Con-X) was a mission concept for an X-ray space observatory to be operated by NASA; in 2008 it was merged with ESA and JAXA efforts in the same direction to produce the International X-ray Observatory project, announced on July 24, 2008.