Astronomers have unveiled a 180-foot-long poster showing the
sharpest most detailed infrared view ever recorded of stars and dust in the
inner Milky Way. To complete the portrait, researchers stitched together more
than 800,000 infrared images taken by NASA’s Spitzer Space Telescope, covering
a swath of sky 120 degrees across and one degree above and below the plane of
our dusty, disk-shaped galaxy.
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