martes, 24 de diciembre de 2019

Sixteen Images for Spitzer's Sweet 16 | NASA

Sixteen Images for Spitzer's Sweet 16 | NASA



Spitzer image
Credits: NASA/JPL-Caltech
This view of the North America nebula combines visible light collected by the Digitized Sky Survey with infrared light from NASA's Spitzer Space Telescope. Blue hues represent visible light, while infrared is displayed as red and green. Clusters of young stars (about 1 million years old) can be found throughout the image. Slightly older but still very young stars (about 3 to 5 million years) are also liberally scattered across the complex.
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