Why galactic black hole fireworks were a flop

@article{Cowen2014WhyGB,
  title={Why galactic black hole fireworks were a flop},
  author={Ron Cowen},
  journal={Nature},
  year={2014}
}
Giant 'G2' cloud at centre of Milky Way could be falling in a continuous stream, without the spectacle astronomers were hoping for. 

References

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A gas cloud on its way towards the supermassive black hole at the Galactic Centre
TLDR
The presence of a dense gas cloud approximately three times the mass of Earth that is falling into the accretion zone of Sagittarius A*, a compact radio source at the Galactic Centre, is reported. Expand
Possible Origin of the G2 Cloud from the Tidal Disruption of a Known Giant Star by Sgr A
The discovery of the gas cloud G2 on a near-radial orbit about Sgr A* has prompted much speculation on its origin. In this Letter, we propose that G2 formed out of the debris stream produced by theExpand