Jean Francois Blondel

Jean Francois Blondel

Jean Francois Blondel
D'autres idées de Jean Francois
Section of the Galactic plane measured with the Spitzer Space Telescope | NASA/JPL-Caltech/E. Churchwell (U of Wisconsin)

Section of the Galactic plane measured with the Spitzer Space Telescope | NASA/JPL-Caltech/E. Churchwell (U of Wisconsin)

Spitzer's Orion, NASA, JPL-Caltech, J. Stauffer (SSC/Caltech)

Spitzer's Orion, NASA, JPL-Caltech, J. Stauffer (SSC/Caltech)