How will NASA's Roman Space Telescope study dark energy and exoplanets?

NASA's Nancy Grace Roman Space Telescope, slated for launch in the mid-2020s, is designed to tackle some of the universe's biggest mysteries, including the nature of dark energy and dark matter, and to discover thousands of exoplanets. Unlike its predecessors, Roman will have a significantly wider field of view, allowing it to survey vast swathes of the sky much more efficiently. This capability is crucial for understanding the accelerating expansion of the universe, driven by dark energy, and for mapping the distribution of dark matter.

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