On this spectrograph map, the black dots represent approximately 90,000 known UV-bright stars in our galaxy. New Horizons, which began as the first mission to flyby Pluto, collected baseline data ...

These are captured after escaping from Pluto and then frozen onto the ... in this case the Lyman-alpha ultraviolet glow scattered by interplanetary hydrogen molecules. "Our findings indicate ...

During its initial journey to Pluto, New Horizons collected baseline data about Lyman-alpha emissions using the Alice instrument, an SwRI-developed ultraviolet spectrograph. A spectrograph is a ...

Once the quirky underdog of our solar system, Pluto held planetary status until 2006, when it got a cosmic demotion that still stings space fans. Discovered in 1930, Pluto was the ninth planet for ...

After the spacecraft's primary objectives at Pluto were completed, New Horizons' ultraviolet spectrograph (named "Alice") was used to make more frequent surveys of Lyman-alpha emissions as New ...