English: This is an image from NASA's Spitzer Space Telescope of a region of sky in the constellation Draco, covering about 50 by 100 million light-years (6 to 12 arcminutes). In this image all the stars, galaxies and artifacts were masked out. The remaining background reveals a glow that is not attributed to galaxies or stars. This might be the glow of the first stars in the universe.
This pseudocolor image comes from infrared data at a wavelength of 3.6 microns, below what the human eye can detect.
The NASA website hosts a large number of images from the Soviet/Russian space agency, and other non-American space agencies. These are not necessarily in the public domain.
The SOHO (ESA & NASA) joint project implies that all materials created by its probe are copyrighted and require permission for commercial non-educational use. [2]
Glow from probable Population III Stars
Credit: NASA / JPL-CALTECH / A. KASHLINSKY (GSFC)
Shot with NASA's Spitzer telescope and believed to be public domain.
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