%0 Journal Article
%T Stars throw their weight in old galaxies
%A Nate Bastian
%J Physics
%D 2012
%I arXiv
%R 10.1038/484462a
%X The observation that old, massive galaxies have a larger fraction of low-mass stars than their younger, lower-mass counterparts adds to mounting evidence that star formation may have been different in the early Universe.
%U http://arxiv.org/abs/1204.5888v1