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/ Komputer for Alle 1998 #6 / 1998 CD 6 (Gul).iso / voice / cygnus1.aif (.mp3) < prev    next >
Audio Interchange File Format  |  1994-07-25  |  380.2 KB  |  1 channel  |  22,254.5 sample rate  |  17 seconds
Transcription: We now have fairly good observational evidence for a number of black holes. One of the best cases is Cygnus X-1. This is a binary system with a normal star rotating around a massive unseen companion.