# 10 Major Discoveries Expected from NASA's Roman Telescope Groundbreaking scientific revelations about our universe - **Source:** [Scientific American Content: Global](https://brifing.si/source/4f066134-e06d-4415-87ef-305e3dc2aba6) - **Published:** 2026-08-28 - **Topic:** [Business](https://brifing.si/c/business) - **Original article:** - **On Brifing:** https://brifing.si/s/05810436-ae55-48a5-a23d-8043541c1506 ## Solving the Hubble Tension The Roman Telescope's 100x wider field of view than Hubble will address inconsistencies in cosmic expansion rates. Discrepancies between Hubble's measurements and cosmic microwave background data challenge cosmological models. Launching in 2026, it aims to precisely measure millions of galaxies' velocities to resolve this puzzle. ## Dark Energy's Secrets Roman will test whether dark energy - believed to accelerate universal expansion - changes over time. Data from Dark Energy Survey suggests this mysterious force might be weakening. During its 5-year mission, the telescope could rewrite physics by mapping dark energy's evolution. ## Cosmic Structure Mystery The sigma-eight paradox reveals galaxy clusters are less clumpy than predicted. Roman's wide-field camera will measure dark matter distribution, helping understand this invisible component constituting 85% of the universe. This data will test cosmic web formation models. ## Exoplanet Revolution Targeting the Milky Way's star-dense central bulge, Roman could discover 100,000 new exoplanets - 15 times more than currently known 6,300. Beyond gas giants, it will statistically analyze Earth-sized rocky planets' distribution at unprecedented scale using transit methods. ## Microlensing Breakthrough Roman will employ microlensing to detect planets invisible to traditional methods. By observing gravitational lensing effects, it could find over 1,000 distant planets orbiting far from their stars. This technique may revolutionize hunting habitable zones beyond our solar system. ## Rogue Black Holes Microlensing data will map wandering black holes and neutron stars in the Milky Way. Roman's ultra-precise measurements will statistically determine these mysterious objects' masses and distribution for the first time. Estimates suggest over 100 million rogue black holes exist in our galaxy. ## Dark Matter Mapping The telescope will create 3D models of dark matter distribution in galaxy clusters. Using gravitational lensing, this mapping will be transformative for understanding large-scale cosmic structure. Data may provide clues about dark matter particles' properties. ## First Galaxies Hunt Roman's infrared sensitivity can detect galaxies formed within the universe's first 500 million years. Studying these ultra-distant objects will illuminate star formation beginnings and the cosmic 'dark ages' end. It may reveal 13-billion-year-old galaxies beyond Hubble's reach. ## Cosmic Fate Forecast Roman's data will test predictions about the universe's ultimate fate. Depending on dark energy's behavior, it could distinguish between theories of eternal expansion, cosmic rip, or collapse. These discoveries represent a historic step in understanding humanity's cosmic context. ## Sources covering this story - https://www.scientificamerican.com/article/top-10-roman-space-telescope-science-breakthroughs/ — --- _Summary written by Brifing from the original reporting. Copyright in the original article belongs to its publisher; read the full piece at the link above._