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 damn of obscuring besprinkle and t come in, NASAs Spitzer Space Telescopes remains-piercing eyes see a macro blackened Widow Nebula teeming with clusters of massive young stars (right). In the Spitzer exposure, the two opposing bubbles atomic number 18 being normaled in opposite directions by the powerful outflows from massive groups of forming stars. The baby stars privy 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 irradiation and very hard particle winds. Both the radiation and the astral winds blow the dust outward from the star creating a enclosed space or, bubble. In the case of the depressed Widow Nebula, astronomers suspect that a large cloud of gas and dust condensed to create fivefold clusters of massive star f ormation. The feature 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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