Comprehensive mission known as SPHEREx will collect data on more than 300m galaxies

Nasa has approved a new sky survey mission that will explore the origins of the universe and its galaxies and of water in planetary systems.

This comprehensive mission is known as SPHEREx (the spectro-photometer for the history of the universe, epoch of reionization and ices explorer). It will survey the sky in 96 different colour bands that span the optical and near-infrared wavelengths of light.

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