How NASA's Nancy Grace Roman Space Telescope will open a window into the Milky Way

NASA’s Nancy Grace Roman Space Telescope is set to launch in 2026, transiting the sun on a SpaceX Falcon Heavy rocket. The telescope will provide high-resolution images and a wide field of view, enabling it to monitor changes in the sky over time. It will observe up to 200 times more sky area than the Hubble Space Telescope, combining high resolution with a large field of view. The telescope will track changes in stars, such as supernovae and magnetic spots, using repeated observations. It will also detect planets via the transit method, revealing how stars rotate and change over time. The Galactic Bulge Time-Domain Survey will monitor the center of the Milky Way, while the High-Latitude Time-Domain Survey will study distant phenomena like supernovae. During its first five years, the telescope will observe over a billion galaxies. The Roman telescope will help astronomers understand how stars evolve and how their environments affect planets. The telescope’s ability to capture changes in the sky will provide new insights into the universe’s dynamic nature.

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