Astronomers used the Galaxy Evolution Explorer (GALEX) telescope to take this deep image in ultraviolet light of the sprawling spiral galaxy M81, hoping to learn where it kept its hot stars. Hot stars emit more ultraviolet than cool stars, and are frequently associated with young, open clusters of stars and energetic star-forming regions. Less than […]
By Bo Schwerin Much deserved attention is given to the feats of innovation that allow humans to live in space and robotic explorers to beam never-before-seen images back to Earth.
By David Ferrucci On January 14, 2011, I was in the audience at IBM’s Watson Research Lab in Yorktown, New York, along with company executives, major clients, and my project team when our Watson computer soundly defeated two human champions in the third round of their Jeopardy! competition.
By David Young CLARREO, the Climate Absolute Radiance and Refractivity Observatory, is an Earth-science satellite mission in pre-Phase A (conceptual study) that is being designed to capture critical climate-change data much more precisely than has been possible with existing instruments.