| The Surveyor lunar landers followed in the late 1960s, which dramatically helped in the site selection for the Apollo landings. |
| This smart software can be used on all kinds of spacecraft, including orbiters, landers and rovers. |
| It comprised of three different modules, and was similar in design to previous Moon landers. |
| The Lunar module itself, carrying four astronauts, will settle on the surface of the Moon much like the old Apollo landers. |
| There is also fairly strong evidence that the first Viking landers of the 1970's did find some firm evidence of microbic life on the Red Planet. |
| One reason for crashing the landers was to provide signals for the seismometers the astronauts had placed on the surface to study moonquakes. |
