Credit: NASA’s Goddard Space Flight Center and A. Roman will be able to quickly survey an area as large as the whole zoomed-out image, which will give us a glimpse of the universe’s largest structures. The three small squares show Hubble’s field of view, and each reveals a different region of the synthetic universe. In this simulated view of the deep cosmos, each dot represents a galaxy. That’s exactly what Roman is designed to do.”Ĭombining Roman’s large view with Hubble’s broader wavelength coverage and Webb’s more detailed observations will offer a more comprehensive view of the universe. “To solve cosmic mysteries on the biggest scales, we need a space telescope that can provide a far larger view. “The Hubble and James Webb Space Telescopes are optimized for studying astronomical objects in-depth and up close, so they’re like looking at the universe through pinholes,” said Aaron Yung, a postdoctoral fellow at NASA’s Goddard Space Flight Center in Greenbelt, Maryland, who led the study. With its ability to rapidly image enormous swaths of space, Roman will help us understand how the universe transformed from a primordial sea of charged particles to the intricate network of vast cosmic structures we see today. YungĪ new simulation shows how NASA’s Nancy Grace Roman Space Telescope will turn back the cosmic clock, unveiling the evolving universe in ways that have never been possible before when it launches by May 2027. Astronomers will use such observations to piece together how cosmic evolution led to the web-like structure we see today. Slices from different epochs illustrate how Roman will be able to view the universe across cosmic history. In this side view of the simulated universe, each dot represents a galaxy whose size and brightness corresponds to its mass.
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