Roman & Webb Space Telescopes: Surveying the Universe | NASA Goddard

Roman & Webb Space Telescopes: Surveying the Universe | NASA Goddard

The James Webb and Nancy Grace Roman space telescopes are NASA’s latest flagship astrophysics observatories. One is in space already and the other will join it there soon. These two telescopes have their own objectives and together will advance our understanding of the universe. This video series compares Roman and Webb.

The Webb and Roman telescopes will help us answer questions about the fundamental nature of the universe. Webb’s deep gaze will see the earliest galaxies and help astronomers learn more about the young cosmos. It will let researchers study individual galaxies in great detail.

Roman’s unique combination of incredible detail and broad coverage allows it to survey large swaths of the sky, revealing millions of never-before-seen galaxies. Astronomers will study them as populations and to see the hidden large-scale structure of the universe, revealing new insight into the mysteries of dark energy and dark matter.

More details: https://science.nasa.gov/roman-and-webb

Learn more about Roman and the discoveries it will enable: https://www.stsci.edu/roman

Learn about Dr. Nancy Grace Roman: 
https://science.nasa.gov/people/nancy-roman/

Video Credit: NASA's Goddard Space Flight Center
Duration: 3 minutes
Release Date: Jan. 23, 2026

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