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Roman Space Telescope – The Resolution of Hubble with a 100 Times Larger Field of View

Posted by Guy Pirro | 01/12/2021 07:59PM | 3 Comments

In 1995, the Hubble Space Telescope stared at a blank patch of the sky for 10 straight days. The resulting Deep Field image captured thousands of previously unseen, distant galaxies. Similar observations have followed since then, including the longest and deepest exposures, the Hubble Ultra Deep Field and the eXtreme Deep Field. Now, astronomers are looking ahead to the future, and the possibilities enabled by NASA’s upcoming Nancy Grace Roman Space Telescope, scheduled for launch in 2025. The Roman Space Telescope will be able to photograph an area of sky 100 times larger than Hubble with the same exquisite sharpness. As a result, a Roman Ultra Deep Field would collect millions of galaxies, including hundreds that date back to just a few hundred million years after the big bang. Such an observation would fuel new investigations into multiple science areas, from the structure and evolution of the universe to star formation over cosmic time.

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