2026-02-10 NASA

This infographic describes the High-Latitude Wide-Area Survey that will be conducted by NASA’s Nancy Grace Roman Space Telescope. This observation program will cover more than 5,000 square degrees (about 12 percent of the sky) in just under a year and a half. Scientists will use the survey to analyze hundreds of millions of galaxies scattered across the cosmos that reveal clues about the universe’s shadowy underpinnings — dark matter and dark energy — as well as a wealth of other science topics.NASA’s Goddard Space Flight Center
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