Skip to main content

Thank you for visiting You are using a browser version with limited support for CSS. To obtain the best experience, we recommend you use a more up to date browser (or turn off compatibility mode in Internet Explorer). In the meantime, to ensure continued support, we are displaying the site without styles and JavaScript.

Galaxy formation

Too small to ignore

A study of one galaxy's dynamics backs up previous claims that surprisingly compact galaxies existed in the early Universe. But how such objects blew up in size to form present-day galaxies remains a puzzle.

Your institute does not have access to this article

Access options

Buy article

Get time limited or full article access on ReadCube.


All prices are NET prices.

Figure 1: Bloating galaxies.


  1. Abraham, R. G. et al. Astrophys. J. 669, 184–201 (2007).

    ADS  Article  Google Scholar 

  2. Cimatti, A. et al. Nature 430, 184–187 (2004).

    ADS  CAS  Article  Google Scholar 

  3. van Dokkum, P. G. et al. Astrophys. J. 638, L59–L62 (2006).

    ADS  Article  Google Scholar 

  4. van Dokkum, P. G., Kriek, M. & Franx, M. Nature 460, 717–719 (2009).

    ADS  CAS  Article  Google Scholar 

  5. Trujillo, I. et al. Astrophys. J. 692, L118–L122 (2009).

    ADS  CAS  Article  Google Scholar 

  6. Kriek, M. et al. Astrophys. J. 700, 221–231 (2009).

    ADS  CAS  Article  Google Scholar 

  7. Cenarro, A. J. & Trujillo, I. Astrophys. J. 696, L43–L47 (2009).

    ADS  Article  Google Scholar 

  8. De Lucia, G., Springel, V., White, S. D. M., Croton, D. & Kauffmann, G. Mon. Not. R. Astron. Soc. 366, 499–509 (2006).

    ADS  Article  Google Scholar 

  9. Boylan-Kolchin, M., Ma, C.-P. & Quataert, E. Mon. Not. R. Astron. Soc. 369, 1081–1089 (2006).

    ADS  Article  Google Scholar 

  10. Bezanson, R. et al. Astrophys. J. 697, 1290–1298 (2009).

    ADS  Article  Google Scholar 

  11. Damjanov, I. et al. Astrophys. J. 695, 101–115 (2009).

    ADS  Article  Google Scholar 

  12. Fan, L., Lapi, A., De Zotti, G. & Danese, L. Astrophys. J. 689, L101–L104 (2008).

    ADS  Article  Google Scholar 

Download references

Author information

Authors and Affiliations


Rights and permissions

Reprints and Permissions

About this article

Cite this article

Glazebrook, K. Too small to ignore. Nature 460, 694–695 (2009).

Download citation

  • Published:

  • Issue Date:

  • DOI:

Further reading


Quick links

Nature Briefing

Sign up for the Nature Briefing newsletter — what matters in science, free to your inbox daily.

Get the most important science stories of the day, free in your inbox. Sign up for Nature Briefing