Scientists in Japan have developed a high-resolution X-ray telescope sharp enough to distinguish an object just 3.5 mm wide from one kilometer away, by combining precision mirror-making technology ...
A color-coded X-ray image from ground-based testing at SPring-8 shows the X-ray optics successfully focusing X-rays onto a sharp central point. Yellow-green indicates the highest X-ray concentration, ...
The most powerful X-ray telescope ever built has reached its landmark 25th anniversary in space — but back on Earth, astronomers worry that its future is very much in doubt. Supporters of the Chandra ...
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