NASA and the Japanese space agency JAXA will start work this spring on an orbiting X-ray astronomy telescope to replace one lost shortly after launch last year.
http://www.space.com/36340-nasa-japan-develop-replacement-x-ray-astronomy-satellite.html
NASA and the Japanese space agency JAXA will start work this spring on an orbiting X-ray astronomy telescope to replace one lost shortly after launch last year.
http://www.space.com/36340-nasa-japan-develop-replacement-x-ray-astronomy-satellite.html