Search Results - (Author, Cooperation:H. B. Richer)

An age difference of two billion years between a metal-rich and a metal-poor globular cluster

B. M. Hansen ; J. S. Kalirai ; J. Anderson ; A. Dotter ; H. B. Richer ; R. M. Rich ; M. M. Shara ; G. G. Fahlman ; J. R. Hurley ; I. R. King ; D. Reitzel ; P. B. Stetson
Nature Publishing Group (NPG)
Published 2013