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The seeds of tremendous gravity

The excellent resolution provided by radio interferometry provides a unique way to probe galaxy mergers and supermassive black hole binary dynamics.

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Fig. 1: An optical image of galaxy NGC 7674 (the larger galaxy), showing evidence of interaction through diffuse tidal tails.


  1. Kharb, P., Lal, D. V. & Merritt, D. Nature Astron. 1, (2017).

  2. Begelman, M. C., Blandford, R. D. & Rees, M. J. Nature 287, 307–309 (1980).

    ADS  Article  Google Scholar 

  3. Valtonen, M. J. et al. Nature 452, 851–853 (2008).

    ADS  Article  Google Scholar 

  4. Tsalmantza, P., Decarli, R., Dotti, M. & Hogg, D. W. Astrophys. J. 738, 20 (2011).

    ADS  Article  Google Scholar 

  5. Eracleous, M., Boroson, T. A., Halpern, J. P. & Liu, J. Astrophys. J. Suppl. Ser. 201, 23 (2012).

    ADS  Article  Google Scholar 

  6. Rodriguez, C. et al. Astrophys. J. 646, 49–60 (2006).

    ADS  Article  Google Scholar 

  7. Bansal, K., Taylor, G. B., Peck, A. B., Zavala, R. T. & Romani, R. W. Astrophys. J. 843, 14 (2017).

    ADS  Article  Google Scholar 

Download references

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Correspondence to Sarah Burke-Spolaor.

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Burke-Spolaor, S. The seeds of tremendous gravity. Nat Astron 1, 659–660 (2017).

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