Geoffrey Bryden
Scientist, Jet Propulsion Lab


Spitzer Space Telescope Observations

Detection of Debris Disks around Planet-Bearing Stars

Paper download (pdf)
Dec 9, 2004 press release

HD69830, the "Hale-Bopp star"

April 20, 2005 press release

Debris Disk Evolution

Oct 18, 2004 press release



Planet Formation Theory

Images of Protoplanetary Gap Formation


Geoffrey Bryden
Jet Propulsion Lab
MS 169-506
4800 Oak Grove Drive
Pasadena, CA 91109
e-mail to Geoffrey.Bryden at jpl.nasa.gov