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AVI Audio  |  1998-10-23  |  1.2 MB  |  1 channel  |  22,050 sample rate  |  1 minute, 53 seconds
Transcription: However, it remained and proved to be the hitherto unseen companion. It is easy to see with powerful modern telescopes, and we have now found out a great deal about it. It was at first thought to be of the same general type as the Sun, and as massive as the Sun, yet it was very faint, only one ten-thousandth as bright as Sirius itself. This did not seem particularly puzzling, it was dim because it was cool and red. In 1914, Professor Adams at the Mount Wilson Observatory found that Sirius B was not a red star at all, it was white, white hot. Yet in this case, why was it not shining brilliantly ...

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