Our galaxy’s gas hides a mystery substance...

[Gutenberg]

Since I’m somewhat of a space nut I cannot resist sharing this story:

Our galaxy’s gas hides a mystery substance that’s soaking up light

“Diffuse interstellar bands are caused by material that absorbs specific wavelengths of light as starlight passes through it. Just one problem: we have no idea what the material is.”

Read more: http://arstechnica.com/science/news/201 ... -it-is.ars