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The Roman Space Telescope is a NASA observatory designed to settle essential questions in the areas of dark energy, exoplanets, and infrared astrophysics.
More About Roman
The Roman Space Telescope will have a panoramic field of view of the universe that is 100 times wider than the Hubble Space Telescope.
Why Roman?
The Roman Space Telescope will delve into the mystery of dark energy by studying how the distribution of galaxies and dark matter has changed throughout cosmic history.
Learn About Dark Energy
This interactive feature provides views of the telescope from various perspectives. Check the completion status, and discover exactly where the pieces are being built.
View this Interactive Feature
You have been given observation time on the Nancy Grace Roman Space Telescope! How many astrophysical objects can you catch?
Play the Game!
The Roman Space Telescope will complete the statistical census of planetary systems in the galaxy by using microlensing, the universe’s own magnifying glass, to find more than a thousand exoplanets.
Learn About Exoplanets
FEB 07, 2024 - Astronomers investigating one of the most pressing mysteries of the cosmos – the rate at which the universe is expanding – are readying themselves to study this puzzle in a new way using NASA’s Nancy Grace Roman Space Telescope. Go to Feature
Explaining the Core Community Survey Definition Process and engaging with Roman on technical and science topics. Each of the Core Community Surveys will provide data to many teams conducting a large number of diverse science investigations. Roman’s science objectives that will be addressed by the Core Community Surveys are Astrophysics with wide area near-IR surveys, Cosmology and Exoplanet demographics. View the Core Community Survey Definition process
JAN 2022 - 239th AAS Roman Sessions
NOV 2021 - Roman Science Team Community Briefing
OCT 2021 - Roman Early-Definition Astrophysics Survey Assessment
JAN 2021 - 237th AAS Roman Sessions