Bubbles in Space

This IR image taken by the Spitzer Space Telescope is of cloud of gas and dust in the constellation Aquila the Eagle is full of bubbles which are being inflated by wind and radiation from massive young stars. The yellow circles and ovals show the locations of more than 30 bubbles. the squares indicate bow shocks, red arcs of warm dust grains pushed by winds from fast-moving stars..

Image Credits: NASA / JPL-Caltech

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