NASA’s SPHEREx Observatory has mapped the entire sky in 102 infrared colors, as seen here in this image released on Dec. 18, 2025. This image features a selection of colors emitted primarily by stars (blue, green, and white), hot hydrogen gas (blue), and cosmic dust (red).
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https://www.nasa.gov/image-detail/e1a-spherex-all-sky-stars-and-gas-dust-2/