Shining a light on cool pools of gas in the galaxy

Newly formed stars shine brightly, practically crying out, "Hey, look at me!" But not everything in our Milky Way galaxy is easy to see. The bulk of material between the stars in the galaxy -- the cool hydrogen gas from which stars spring -- is nearly impossible to find.

Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/U...