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Light on a dark place

The sharpest images ever taken of matter around the probable black hole at the centre of our Galaxy bring us within grasp of a crucial test of general relativity — a picture of the black hole's ‘point of no return’.

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Figure 1: Hungry mouth.


  1. Balick, B. & Brown, R. L. Astrophys. J. 194, 265–270 (1974).

    Article  ADS  Google Scholar 

  2. Shen, Z. -Q., Lo, K. Y., Liang, M. -C., Ho, P. T. P. & Zhao, J. -H. Nature 438, 62–64 (2005).

    Article  ADS  CAS  Google Scholar 

  3. Ghez, A. M. et al. Astrophys. J. 620, 744–757 (2005).

    Article  ADS  Google Scholar 

  4. Schoedel, R. et al. Nature 419, 694–696 (2002).

    Article  ADS  CAS  Google Scholar 

  5. Garcia, M. et al. Astrophys. J. 553, L47–L50 (2001).

    Article  ADS  Google Scholar 

  6. Narayan, R. & Heyl, J. S. Astrophys. J. 574, L139–L142 (2002).

    Article  ADS  CAS  Google Scholar 

  7. Falcke, H., Melia, F. & Agol, E., Astrophys. J. 528, L13–L16 (2000).

    Article  ADS  CAS  Google Scholar 

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Reynolds, C. Light on a dark place. Nature 438, 32–33 (2005).

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