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NASA's Goddard Space Flight Center

NASA’s Roman Mission Will Help Empower a New Era of Cosmological Discovery

9 Nov 2021, 15:00 UTC
NASA’s Roman Mission Will Help Empower a New Era of Cosmological Discovery NASA's Goddard Space Flight Center

A team of scientists has forecast the scientific impact of the Nancy Grace Roman Space Telescope’s High Latitude Wide Area Survey on critical questions in cosmology. This observation program will consist of both imaging, which reveals the locations, shapes, sizes, and colors of objects like distant galaxies, and spectroscopy, which involves measuring the intensity of light from those objects at different wavelengths, across the same enormous swath of the universe. Scientists will be able to harness the power of a variety of cross-checking techniques using this rich data set, which promises an unprecedented look into some of cosmology’s most vexing problems.

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