Death of Pedro Elias Zadunaisky

October 7, 2009
BUENOS AIRES

Argentine astronomer and mathematician whose calculations helped determine the orbit of Saturn's outermost moon
Pedro Elias Zadunaisky Obituary Photo

Tools to share this Obituary

BUENOS AIRES, Argentina (Associated Press) - Pedro Elias Zadunaisky, an Argentine astronomer and mathematician whose calculations helped determine the orbit of Saturn's outermost moon, Phoebe, as well as Halley's Comet, died Wednesday. He was 91.

Zadunaisky was a pioneer in celestial mechanics, applying mathematical models to determine how gravity and other forces alter the orbits of other objects in the solar system.

Zadunaisky also was a Senior Astronomer at the Smithsonian...

Read Complete Obituary

Record an Audio Memory — Use Your Phone — Free

Track Celebrity Deaths

Receive email notification about people of national interest.