A new type of X-ray mirror that allows images to be made from higher energy
radiation than ever before has recently completed testing at NASA's Goddard
Space Flight Center, Greenbelt, MD. Previously, these high energy (or "hard")
X-rays could only be detected using large detectors, which do not form an
image. The imaging technique offers great improvements in sensitivity and
resolution, and will allow the direct observation of important physical
processes in such unusual celestial objects as neutron stars and black holes.
Often, these objects are associated with the emission or generation of high