Abhay Ashtekar

Abhay Ashtekar
EBERLY FAMILY CHAIR, Physics
(814) 863-9601

Abhay Ashtekar is an Eberly Professor of physics, and the director of the Institute for Gravitation & the Cosmos. He is an expert on quantum gravity and general relativity. His research focuses on the beginning of the universe and black holes.

Education: 
Ph.D., University of Chicago, Physics, 1974
Research Interests: 
Quantum gravity and general relativity

Images

his drawing shows the observed versus actual positions of a distant star whose light is distorted by the curvature of space around a heavy star that is between the distant star and the observer.
In this time-lapse movie from 8 Hubble Space Telescope images, in the blackness of space a white dot -- the white dwarf star Stein 2051 B -- moves in an arc as it passes in front of a distant star. Credit: NASA, ESA, and K. Sahu (STScI)