The Planet Makers
- Episode aired 2015
- 24m
The left over detritus of planet formation gets little coverage in the popular press until an errant chunk whizzes close to the earth. But as of 2015 no less that the 6 comets and 14 asteroi... Read allThe left over detritus of planet formation gets little coverage in the popular press until an errant chunk whizzes close to the earth. But as of 2015 no less that the 6 comets and 14 asteroids described here have been visited by over 15 probes including impactors, orbiters and la... Read allThe left over detritus of planet formation gets little coverage in the popular press until an errant chunk whizzes close to the earth. But as of 2015 no less that the 6 comets and 14 asteroids described here have been visited by over 15 probes including impactors, orbiters and landers. Even sample return missions are underway.