A Backdrop of Blue and Red

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A colorful sunset and layers of blue mountaintops backdrops the Cerro Tololo Inter-American Observatory (CTIO), a program of NSF’s NOIRLab. Most prominent in the image is the Víctor M. Blanco 4-meter Telescope, which sits atop Cerro Tololo itself. The SMARTS 1.5-meter and 0.9-meter telescopes, as well as a selection of CTIO’s tenant observatories, are scattered along the ridge. This location allows astronomers a stellar view of the southern night sky, providing access to objects not visible from the northern hemisphere, such as the Large and Small Magellanic Clouds.

Credit:
CTIO/NSF’s NOIRLab/AURA/B. Tafreshi

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