This vast hydrogen wall could be the glowing border of our solar system

A vast wall of hydrogen could mark the limits of our solar system, with new analysis of data from the New Horizons probe helping explain our place in the galaxy. The interplanetary spacecraft launched in 2006 as part of NASA’s New Frontier’s program, reaching Pluto in 2015 and then headed out further into the Kuiper belt to eventually beam back … Continue reading

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