Two Missions, One Microquasar

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Science  11 Dec 2009:
Vol. 326, Issue 5959, pp. 1490-1491
DOI: 10.1126/science.1184534

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It has been on the suspect list for more than 30 years, but now we know for sure, smoking gun and all, that x-ray source number 3 in the constellation of Cygnus (Cyg X-3) emits gamma rays. After many near (and wide-of-the-mark) misses, we now have incontrovertible evidence coming from two independent gamma-ray telescopes, AGILE (1) and Fermi (2), the latter reported on page 1512 of this issue.