Mapping Dark Matter's Invisible Influence

Dark matter, which comprises about 27% of the universe, is an invisible substance that interacts via gravity, holding galaxies together, and Roman will help map its distribution and properties.

Sources

• Nancy Grace Roman Space Telescope Lifts Off to Open New Insights Into the Universe
• NASA has launched the new Roman space telescope to study dark matter and exoplanets
• Dark Matter - NASA Science
• Dark energy - Wikipedia
• What Is the Nancy Grace Roman Space Telescope? (Grades 5-8) - NASA

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