Vincent Costes, Centre national d’études spatiales (CNES)
If you see something mystifying happening in Europe’s skies, get in touch with France’s Study and Information Group on Unidentified Aerospace Phenomena. They could well have a rational explanation for you.
Ralph Cooney, University of Auckland, Waipapa Taumata Rau
To date, not a single orbiting object has been recovered from space successfully. But several methods are in development to reduce the overpopulation of Earth’s orbit by man-made debris.