The New Horizons spacecraft has spotted an ultraviolet glow that seems to emanate from near the edge of the solar system. That glow may come from a long-sought wall of hydrogen that represents where the sun’s influence wanes, the New Horizons team reports online August 7 in Geophysical Research Letters.

hydrogen wall illustration

New Horizons may have seen a glow at the solar system’s edge

Leave a comment

This site uses Akismet to reduce spam. Learn how your comment data is processed.

Recent posts

Quote of the week

"People ask me what I do in the winter when there's no baseball. I'll tell you what I do. I stare out the window and wait for spring."

~ Rogers Hornsby