Page 50 - A Brief History of Time - Stephen Hawking

A Brief History of Time - Stephen Hawking... Chapter 6

Figure 6:2

The best explanation for this phenomenon is that matter has been blown off the surface of the visible star. As it falls
toward the unseen companion, it develops a spiral motion (rather like water running out of a bath), and it gets very hot,
emitting X-rays Figure 6:3.

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