View Full Version : Spacetime Waves Churn Around a Black Hole

2005-Sep-10, 11:16 PM
SUMMARY: Astronomers from Harvard and MIT have detected evidence for hot iron gas that seems to be riding a ripple of spacetime around a black hole. The team used NASA's Rossi X-Ray Timing Explorer to watch how the X-rays eminating from a black hole 40,000 light-years away seem to flicker. They matched this to the light being radiated by iron gas, and found that the two kinds of radiation were in synch. One explanation, predicted by Einstein more than 80 years ago, is that the black hole churns up space and time as it rotates many times a second. We're seeing the X-rays and light from the iron gas after they've journeyed through this swirl of spacetime.

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