Astronomers at the University of Hawaiʻi have precisely measured the age of a nearby sun-like star and its unusual companion, ...
Using the W.M. Keck Observatory on Maunakea, astronomers at the University of Hawaiʻi have precisely measured the age of a ...
Brown dwarfs are objects that straddle the dividing line between stars and planets. They form like stars, growing dense enough to collapse under their own gravity, but they never become dense and hot ...