EVANSTON, Illinois, Aug. 13 (TNSjou) -- Northwestern University posted the following news release:

* * *

Astronomers witness cosmic recycling system in action

New image of Helix Nebula reveals how dying stars return material to the galaxy

* Astronomers used new MOTHRA telescope in Chile to image famous eye-shaped nebula

* Team found 22 glowing shock waves where stellar debris collided with interstellar gas

* After coll . . .

Click here for more information about our products