Cosmic Star Formation from the Milky Way and its Satellites
F. D. A. Hartwick
Abstract
We use observations and evolutionary models of local objects to interpret a recent determination of the star-formation history of the universe. By fitting the global star-formation rate, the model predicts the ratio of spheroid to disk mass of 1, an intergalactic medium (IGM) whose mass is 2.3 times the mass in stars, and whose metallicity is 0.1 Z.
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