Wednesday, September 26, 2012

Nasa reveals massive halo of hot gas that envelops our universe

It is an astonishing reminder of just how large the universe is.

Nasa today revealed this incredible image showing our Milky Way Galaxy is embedded in an enormous halo of hot gas that extends for hundreds of thousands of light years.

The estimated mass of the halo is comparable to the mass of all the stars in the galaxy. Read More