さそり座X-1
1. Scorpius X-1Scorpius X-1 is an X-ray source located roughly 9000 light years away in the constellation Scorpius. Scorpius X-1 was the first extrasolar X-ray source discovered, and, aside from the Sun, it is the strongest source of X-rays in the sky. The X-ray flux varies day-to-day, and is associated with an optically visible star, V818 Scorpii, that has an apparent magnitude which fluctuates between 12-13.
Read “Scorpius X-1” on English Wikipedia
Read “さそり座X-1” on Japanese Wikipedia
Read “Scorpius X-1” on DBpedia
Read “Scorpius X-1” on English Wikipedia
Read “さそり座X-1” on Japanese Wikipedia
Read “Scorpius X-1” on DBpedia
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