Mysterious invisible walls may have been discovered in outer space(bgr.com)
bgr.com
Mysterious invisible walls may have been discovered in outer space
https://bgr.com/science/mysterious-invisible-walls-may-have-been-discovered-in-outer-space/
4 comments
That article contains 3 astronomical photos, but none of them are pictures of what the article is about.
They are not pictures of "invisible walls".
How can we be sure? The walls are invisible. Perhaps they are hiding in plain site. ;)
Gravity is the ultimate invisible wall.
> Travel to other planetary systems is barred by invisible force fields around the systems