Skeletal 'Nessie' Discovered in Our Galaxy

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At news.discovery.com

Just as there are bones in your arms, there are bones in our galaxy's arms as well -- and researchers using NASA's Spitzer Space Telescope have shared the x-rays to prove it. Alright, they're not actually x-rays but rather images made from observations in infrared light, which Spitzer is specifically designed to detect. Orbiting Earth over 172 million kilometers away, Spitzer can see infrared radiation that isn't visible from the ground, radiation that's emitted from anything in the Universe warmer than zero Kelvin. The image above, looking into the plane of the galaxy, shows a long thin strand of dark, cold material stretching between two brighter regions in the lower half -- this is a segment of what's being called a 'bone' of the Milky Way, a part of the vast skeletal structure that forms its framework. 'This bone is much more like a fibula - the long skinny bone in your leg.

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At news.discovery.com


 

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