Puff, the Magic Dragon?

A dragon-shaped cloud of dust seems to fly with the stars in a new image from NASA's Spitzer Space Telescope (bottom). In visible light (top), the creature disappears into the clouds -- perhaps it's "frolicking in the autumn mist" like Puff, the Magic Dragon, from the famous Peter, Paul and Mary song.

The infrared image has revealed that this creature, a dark cloud called M17 SWex, is forming stars at a furious rate but has not yet spawned the most massive type of stars, known as O stars. Suc [...]

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