Astronomers have finally pinned down both the mass and distance of a solitary “rogue” planet, a world that drifts through ...
Researchers have confirmed the mass of a free-floating planet thanks to a lucky convergence of ground- and space-based ...
FORT DAVIS, Texas — University of Texas at Austin astronomer and Hubble Fellow Seth Redfield has used the Hobby-Eberly Telescope (HET) at McDonald Observatory to make the first ground-based detection ...