1/16 Einstein Probe exploring the dynamic X-ray Universe Weimin Yuan Space Science Division National Astronomical Observatories of China and the Einstein. - ppt download
Artist's conceptions of the Einstein Observatory (left) and the Chandra... | Download Scientific Diagram
Chandra X-ray Observatory - Wikipedia
The Second High Energy Astrophysics Observatory (HEAO-2; Einstein)
PDF) SuperHERO: Design of a new hard-X-ray focusing telescope