“The bones of the Milky Way”: Spitzer imaging of the Scutum-Centaurus spiral arm

This is one segment of an infrared portrait of dust and stars radiating in the inner Milky Way. More than 800,000 frames from NASA's Spitzer Space Telescope were stitched together to create the full image, capturing more than 50 percent of our entire galaxy.
This is mid-infrared imagery from Spitzer; credit to this website milkywaybones.org and today’s arXiv preprint by Goodman et al. I urge you to follow the links for the full story.

This is one segment of an infrared portrait of dust and stars radiating in the inner Milky Way. More than 800,000 frames from NASA’s Spitzer Space Telescope were stitched together to create the full image, capturing more than 50 percent of our entire galaxy.

(Note: this 50% is in terms of angular span on the sky).

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