Suppose that observations of the time structure of X rays received from the location of a suspected black hole show features that vary in intensity as rapidly as 5000 times per second. From this information, if the object is a black hole, what would be its expected mass?

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     100 solar units.
      5000 solar units
      10 solar units
      20 solar units
      50 solar units
asked Sep 20, 2012 in Astronomy by anonymous

1 Answer

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20 solar units
answered Sep 22, 2012 by SkyStar ~Expert~ (2,855 points)

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