Measuring redshifts of tens of millions of galaxies

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The spectroscopic component of the High Latitude Wide Area Survey measures redshifts of tens of millions of galaxies via grism spectroscopy using the WFI over at least a 1700 deg 2 region that overlaps the region.

Released
May 21, 2026
Category
Infographics
Size
3,840 × 2,800 pixels
Credit
NASA

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Source: science.nasa.gov/mission/roman-space-telescope/scientific-visualizations

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