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SPHEREx Launches to Unravel Cosmic Mysteries in 102 Wavelengths

12/28/2025

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Summary

Story summary

Spectro-Photometer for the History of the Universe, Epoch of Reionization and Ices Explorer (SPHEREx) launched in May and will study the cosmos in optical and near-infrared light.
During a two-year mission, it will gather data on 450 million galaxies and 100 million stars.
It released its first infrared map of the sky in 102 wavelengths.
The dataset is publicly available and will address mysteries, including cosmic inflation and galaxy evolution.

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Story summary

Spectro-Photometer for the History of the Universe, Epoch of Reionization and Ices Explorer (SPHEREx) launched in May and will study the cosmos in optical and near-infrared light.
During a two-year mission, it will gather data on 450 million galaxies and 100 million stars.
It released its first infrared map of the sky in 102 wavelengths.
The dataset is publicly available and will address mysteries, including cosmic inflation and galaxy evolution.