Leading Cosmologist and Astrophysicist
Contributions to Dark Energy Discovery
Expert in Asteroid Detection and Characterization
Studied Stellar Orbits Near Milky Way's Black Hole
Classified Over 350,000 Stars
Researcher in Exoplanet Studies
Determined Stars are Primarily Hydrogen-Helium
Research on White Dwarf Stars
Co-developed HR Diagram for Star Classification
Estimated Size of the Milky Way Galaxy
Significant Work on Variable Stars
Proposed Inflationary Universe Theory
Renowned Astrophysics Educator
Contributed to Discovery of Accelerating Universe
Imaging Leader for Saturn Mission