Image: Young stellar grouping in Cygnus X

Nov 30, 2011
Credit: NASA/IPAC/MSX

(PhysOrg.com) -- Cygnus X hosts many young stellar groupings.

The combined outflows and from the region's numerous massive stars have heated and pushed gas away from the clusters, producing cavities of hot, lower-density gas.

In this 8-micron , ridges of denser gas mark the boundaries of the cavities. Bright spots within these ridges show where stars are forming today.

Explore further: How baryon acoustic oscillation reveals the expansion of the universe

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