How often does the SPHEREx mission perform an all-sky survey?
Answer
Every six months
Efficiency and consistency are hallmarks of this mission. By performing an all-sky survey every six months, the project ensures a steady flow of high-quality data for the entire celestial sphere. This frequent, uniform cadence allows astronomers to use a consistent dataset for the whole sky, eliminating the need to calibrate and combine data from multiple, mismatched telescopes.
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