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Other Eyes on the X-ray Sky

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Science  30 Jul 1999:
Vol. 285, Issue 5428, pp. 653
DOI: 10.1126/science.285.5428.653

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Summary

By next January, after launches by the Europeans and the Japanese, NASA's giant new x-ray telescope Chandra (see main text) will be one of a triumvirate of x-ray observatories, each with unique strengths. Whereas Chandra's forte is very high resolution imaging, the European X-ray Multi-Mirror mission will outdo it in sheer x-ray gathering power. And the Japanese Astro-E will be able to analyze very short wavelength, "hard" x-rays from the universe's most violent corners.