![Solar system montage with eight planets](https://planetary.s3.amazonaws.com/web/assets/pictures/_1200x1200_crop_center-center_82_line/PIA10969.jpg 1200w, https://planetary.s3.amazonaws.com/web/assets/pictures/_768x768_crop_center-center_82_line/PIA10969.jpg 768w, https://planetary.s3.amazonaws.com/web/assets/pictures/_576x576_crop_center-center_82_line/PIA10969.jpg 576w, https://planetary.s3.amazonaws.com/web/assets/pictures/_200x200_crop_center-center_82_line/PIA10969.jpg 200w)
Siegfried W. Janson
Senior Scientist, The Aerospace Corporation
Siegfried W. Janson is a Senior Scientist with The Aerospace Corporation.
Latest Planetary Radio Appearances
The Aerospace Corporation has been innovating since 1960. Now it’s headed by a former leader of “New Space” company Virgin Galactic. President and CEO Steve Isakowitz talks about the evolving culture of the space industry.