Renowned Astrophysics Educator
Studied Stellar Orbits Near Milky Way's Black Hole
Classified Over 350,000 Stars
Contributions to Dark Energy Discovery
Expert in Asteroid Detection and Characterization
Researched Interstellar Clouds and Star Birth
Contributed to Discovery of Accelerating Universe
Key Figure in Establishing Cosmology
Co-developed HR Diagram for Star Classification
Solar Observations and Astrophysical Studies
Estimated Size of the Milky Way Galaxy
Notable for Stellar Astronomy Research
Significant Work on Variable Stars
Co-discovered Kuiper Belt Objects
Advocate for the Search for Extraterrestrial Intelligence