Comet Hopper
Videos
Comet Hopper was a proposed lander to NASA's Discovery Program that, had it been selected, would have orbited and landed multiple times on Comet Wirtanen as it approached the Sun. The proposed mission
Concept art of Comet Hopper
Pluto in True Color High Res
Triton Hopper
Videos
Triton Hopper is a proposed NASA lander to Triton, the largest moon of Neptune. The idea is to harvest the abundant nitrogen ice on the surface of Triton and use it as propellant for multiple short fl
Comet Hopper
…Rosetta (spacecraft) Triton Hopper NASA Goddard Managed Comet Hopper Mission Selected for Further Study Archived 2021-12-05 at the Wayback Machine…
Dark streaks across Triton's south polar cap surface, thought to be dust deposits left by eruptions of nitrogen geysers