Credit: NASA/JPL-Caltech/E. Churchwell (University of Wisconsin-Madison) and the GLIMPSE Team Black Widow Nebula Hiding in the Dust

In the constellation Circinus, where previous visible-light observations by the Digital flip over cartoon (left) saw only a faint hourg lass-shaped nibble of obscuring besprinkle and t kayoed, NASAs Spitzer Space Telescopes remains-piercing eyes see a declamatory blackened Widow Nebula teeming with clusters of massive young stars (right). In the Spitzer delineation, the two opposing bubbles are being lineed in opposite directions by the powerful outflows from massive groups of forming stars. The baby stars bath be seen as specks of yellow where the two bubbles overlap. When individual stars form from molecular clouds of flub and dust they produce intense beam and very hard particle winds. Both the radiation and the starring(p) winds blow the dust outward from the star creating a colliery or, bubble. In the case of the depressed Widow Nebula, astronomers suspect that a large cloud of gas and dust condensed to create binary clusters of massive star formation. The f eature winds from these groups of large stars probably blew out bubbles into the direction of least resistance, forming a double bubble. The infrared image was captured by the Galactic legacy Infrared Mid-Plane Survey Extraordinaire (GLIMPSE) legacy project. The Spitzer picture is a four-channel false-color composite, screening emission from wavelengths of 3.6 microns (blue), 4.5 microns (green), 5.8 microns (orange) and 8.0 microns (red).

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