PDF] The development of the miniature X-ray telescope µROSI | Semantic Scholar
Searing Sun Seen in X-rays | NASA
Spectrum-Roentgen-Gamma – Astrophysical project
Spektr-RG - Wikipedia
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Space Telescopes | Historic Spacecraft
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ESO Supernova Exhibition — How do astronomers see X-rays?
Russia seeks to hijack German telescope on its X-ray spacecraft | Ars Technica
Radiological Physics: Röntgen- und Kernphysik für Mediziner und Biophysiker. Richard Glocker and Eckard Macherauch. Thieme, Stuttgart, Germany, ed. 2, 1965. xii + 520 pp. Illus. DM 69. | Science
June 2019 – Spectrum-Roentgen-Gamma
Bad Astronomy | eROSITA is now scanning the skies for X-rays | SYFY WIRE