How Do Scientists Discover Planets Light Years Away? There's An Art To It, MIT Researchers Say

Edgar B. Herwick III | WGBH
Thursday, September 19, 2019

What does it take to find an exoplanet? EAPS Prof. Sara Seager and MIT Kavli Institute postdoc Thomas Evans speak with WGBH’s Edgar Herwick about the quest to discover new planets in distant solar systems and how they sift through mountains of data, finding dips in light from a star due to an orbiting planet, before a handful of candidates are identified. “The hope one day is to find an Earth twin around a sun-like star and to be able to recognize it as such and to know that we’re not alone," Seager explains.

Listen to the full story at WGBH.

Story Image: This artist's rendering provided by University College London Centre for Space Exochemistry Data researchers shows Exoplanet K2-18b, foreground, its host star and an accompanying planet in this system. (M. Kornmesser/AP)