Nearly 4 billion miles from Earth, NASA's New Horizons spacecraft has detected evidence of a glowing wall of hydrogen at the edge of the solar system.
NASA detects glowing ‘hydrogen wall’ at edge of our solar system
A NASA Spacecraft May Have Detected A Giant Wall At The Edge Of The Solar System
NASA‘s New Horizons spacecraft has helped scientists study a mysterious phenomenon at the edge of the Solar System, where particles from the Sun and interstellar space interact.