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How will the Nancy Grace Roman Space Telescope discover new exoplanets?
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How will the Nancy Grace Roman Space Telescope discover new exoplanets?

Written by
Elijah Tan
Elijah Tan was an Editorial Intern at Encyclopædia Britannica. He is studying Astrophysics and Science Communication at the University of Chicago, where he writes for the Chicago Maroon.
Elijah Tan
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Britannica Editors
Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree....
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The Nancy Grace Roman Space Telescope will help scientists determine how common Earth-like worlds are in our galaxy. It will hunt for planets beyond our solar system, known as exoplanets, using a technique called microlensing. Doing so will require monitoring hundreds of millions of stars for subtle changes in brightness. Find out more in this interactive.

Elijah Tan