Tag: astronomy

Our Galaxy? It’s a gas!

September 24, 2012 | By | Reply More
Our Galaxy? It’s a gas!

Astronomers have used NASA’s Chandra X-ray Observatory to find evidence 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. If the size and mass […]

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