Measuring Cosmic Voids with the Roman Space Telescope
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Galaxies are seen deep into the universe. NASA's Nancy Grace Roman Space Telescope will measure the galaxy distribution in great detail. A slice through the distribution shows a web-like pattern of galaxies. It also reveals regions with very few galaxies that astronomers call voids. Roman will be able to measure voids from the very large down to the very small. In addition to the galaxy distribution, the void distribution will provide another powerful test of cosmological models.
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Caption
This narrated video sequence illustrates how the Roman Space Telescope will be able to observe cosmic voids in the universe. These highly detailed measurements will help constrain cosmological models.
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