Roguish runaway stars can have a big impact on their surroundings as they plunge through the Milky Way galaxy. Their high-speed encounters shock the galaxy, creating arcs, as seen in a newly released image from NASA's Spitzer Space Telescope.
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/X...
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/X...