NASA Spotted a Vast, Glowing ‘Hydrogen Wall’ at the Edge of Our Solar System

By Rafi Letzter There’s a “hydrogen wall” at the edge of our solar system, and NASA scientists think their New Horizons spacecraft can see it. That hydrogen wall is the outer boundary of our home system, the place where our sun’s bubble of solar wind ends and where a mass of interstellar matter too small to bust […]

Read More NASA Spotted a Vast, Glowing ‘Hydrogen Wall’ at the Edge of Our Solar System