The NASA New Horizons spacecraft's extensive observations of Lyman-alpha emissions have resulted in the first-ever map from the galaxy at this important ultraviolet wavelength, providing a new look at ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. This spectrograph map, ...

Lyman-alpha emission, arising from the transition of neutral hydrogen atoms at rest-frame 121.6 nm, serves as a powerful tracer of the gas reservoirs, star-formation activity and large-scale structure ...

The SwRI-led NASA New Horizons mission’s extensive observations of Lyman-alpha emissions have resulted in the first-ever map from the galaxy in Lyman-alpha light. This SwRI-developed Alice ...