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After passing all the necessary checks and calibrations, NASA says its SPHEREx space observatory is ready to embark on its expansive mission. As of May 1, the spacecraft has begun imaging a 3D map ...
The cone-shaped Spherex — at 1,110 pounds (500 kilograms) or the heft of a grand piano — will take six months to map the entire sky with its infrared eyes and wide field of view.
The SPHEREx telescope will create the most colorful map of the cosmos, while the four satellites of the PUNCH mission track the evolution of the solar wind in three dimensions.
In this photo, SPHEREx is heading towards its polar orbit, which will see it circle Earth's poles from north to south along the terminator line, the imaginary line that separates day and night on ...