David Sudarsky is an astrophysicist at the University of Arizona. He is primarily known for producing the first extrasolar planet

Extrasolar planet

An extrasolar planet, or exoplanet, is a planet outside the Solar System. A total of such planets have been identified as of . It is now known that a substantial fraction of stars have planets, including perhaps half of all Sun-like stars...

 classification system, which is based on a series of theoretical gas giant planet atmosphere models. By modeling the physical characteristics and chemistry of their atmospheres, the appearance of extrasolar planets

Appearance of extrasolar planets

The Sudarsky extrasolar planet classification system is a theoretical model-based classification system for predicting the appearance of extrasolar gas giant planets based on their temperature. It was outlined by David Sudarsky et al...

 is predicted.

He has published 11 papers listed in arXiv

ArXiv

The arXiv |Chi]], χ) is an archive for electronic preprints of scientific papers in the fields of mathematics, physics, astronomy, computer science, quantitative biology, statistics, and quantitative finance which can be accessed online. In many fields of mathematics and physics, almost all...

.