A Chemical Signature of First-Generation Very-Massive Stars
August 21, 2014
A team of astronomers has used the used the 8.2 m Subaru Telescope's High Dispersion Spectrograph to discover a low-mass star that provides observational evidence to support numerical simulations of the existence of very-massive stars among the first generation of stars formed after the Big Bang...
Umbrella Galaxy's Merger Models the Cosmic Food Chain
July 1, 2014
Scientists have used the Subaru Telescope and the W. M. Keck Observatory to study the Umbrella Galaxy (NGC 4651), a twin of the Milky Way Galaxy, and to accurately model how it is swallowing a smaller galaxy. Their findings reveal insights into galactic behavior and contribute to a better understanding of how structure forms in the Universe...