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 Our neighboring galaxy Andromeda (M31) and the Roman Space Telescope.

Our neighboring galaxy Andromeda (M31)

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The simulated image covers a swath roughly 34,000 light-years across, showcasing the red and infrared light of more than 50 million individual stars detectable with Roman.

Credit: GSFC/SVS

 This simulated image showcases the red and infrared light of more than 50 million stars in Andromeda, as they would appear with the Roman Space Telescope.

Our neighboring galaxy Andromeda (M31)

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This simulated image showcases the red and infrared light of more than 50 million stars in Andromeda, as they would appear with the Roman Space Telescope.

Credit: GSFC/SVS

Roman Space Telescope vs hubble.

The field of view

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Hubble Space telescope compared to the Roman Space Telescope.

 A candidate for a galaxy which was found in an HST survey using the WFC3IR camera. This young object is seen when the universe is only about 500 million years old.

A candidate for a galaxy

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A candidate for a galaxy at z≈9.6, magnified by a factor of ~15 by the foreground cluster MACSJ1149+2223 (z ≈ 0.54). The object was found in an HST survey using the WFC3IR camera (Zheng et al. 2012). This young object is seen when the universe is only about 500 million years old.

 microlensing search area

Microlensing search area

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The area around another star that the Roman Space Telescope will search (in blue) for exoplanets compared to Kepler's search area.

 A composite figure shows the region of Andromeda covered by the Roman Space Telescope simulation.

Roman simulation of Andromeda

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A composite figure shows the region of Andromeda covered by the Roman Space Telescope simulation. It would be able to image the main body of Andromeda in just a few pointings, surveying the galaxy nearly 1500 times faster than Hubble.

Credit: GSFC/SVS

 Roman will search for exoplanets using the microlensing technique displayed above. As a lens star moves across the line of sight of the telescope, an exoplanet will magnify a background star's signa.

Roman microlensing technique

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Roman will search for exoplanets using the microlensing technique displayed above. As a lens star moves across the line of sight of the telescope, an exoplanet will magnify a background star's signal.

Credit: NASA

 The main pieces of Roman's Forward Optical Assembly.

Roman's Forward Optical Assembly

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The main pieces of Roman's Forward Optical Assembly.

Credit: NASA

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