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October 26, 2026

Nancy Grace Roman Space Telescope to study dark matter

Nancy Grace Roman Space Telescope Embarks on Mission to Unveil Cosmic Mysteries

The Nancy Grace Roman Space Telescope has embarked on its ambitious mission to explore dark matter, dark energy, and cosmic history. Following its successful launch, the telescope is travelling one million miles in a three-month journey to reach its operational orbit at the Sun-Earth Lagrange point 2 (L2), situated beyond the Moon.

Unprecedented Survey Capabilities

Once situated at L2, the Roman Space Telescope will begin its extensive examination of the universe, utilizing capabilities that far exceed those of the Hubble Space Telescope. Its immense field of view is 100 times that of Hubble, enabling it to survey the cosmos 1,000 times faster, thanks to a 300-megapixel infrared camera.

In addition to its wide field of view, Roman is equipped with a Coronagraph system intended to block out the glare from stars. This feature will allow it to capture direct images of exoplanets, even those that are smaller, older, and colder, orbiting near to their stars.

Mapping Dark Matter and Energy

The Roman telescope’s mission includes conducting detailed 3D scans to map the distribution of dark matter within the universe, helping to narrow down potential candidates for its composition. These scans, along with gravitational lensing measurements, will also enable scientists to understand the influence of dark energy on the universe’s evolution.

Nicky Fox, the associate administrator for NASA’s Science Mission Directorate, expressed the telescope’s potential impact by stating that the Roman Space Telescope is a “discovery machine” poised to bring humanity closer to understanding its cosmic origins.

Reporting based on coverage first published by theverge.com.