| 100% | MISSION | 7 | NASA's is space exploration |
| 50% | WEBB | 4 | NASA administrator James for whom a space telescope is named |
| 49% | DUCT | 4 | ___ tape was invited by NASA for use in space |
| 48% | GODDARD | 7 | NASA's __ Space Flight Center |
| 47% | AOK | 3 | NASA's everything is fine: Hyph. |
| 47% | ENDEAVOUR | 9 | NASA Space Shuttle aka OV-105 whose first mission was in May, 1992 |
| 47% | ENDEAVOUR | 9 | NASA Space Shuttle aka OV-105 whose first mission was in May 1992 |
| 47% | JAMESWEBB | 9 | Former NASA administrator after whom its newest space telescope is named |
| 47% | ARTEMISI | 8 | NASA's return to lunar exploration (2022) |
| 46% | OUTER | 5 | __ space; NASA's milieu |
| 46% | APOLLO | 6 | Greek god whose name was used for a former NASA space program |
| 45% | AOK | 3 | NASA's "All systems are a go": Hyph. |
| 45% | ESA | 3 | Europe's space exploration group |
| 44% | ROVER | 5 | Vehicle used in space exploration |
| 44% | DART | 4 | Acronym for a NASA space mission for defending Earth that was deployed in 2021 |
| 44% | PROBE | 5 | Space exploration mission |
| 44% | NASA | 4 | Space exploration agcy. |
| 44% | PROBE | 5 | Space exploration vehicle |
| 44% | NASA | 4 | Space exploration agency |
| 44% | SETI | 4 | Space exploration acronym |
| 43% | NASA | 4 | Space exploration organization: Abbr. |
| 43% | NASA | 4 | Space exploration group: Abbr. |
| 42% | ENTERPRISE | 10 | NASA's first Space Shuttle orbiter constructed by Rockwell International |
| 42% | CHALLENGER | 10 | NASA's second Space Shuttle orbiter constructed by Rockwell International |
| 42% | ATLANTIS | 8 | NASA's fourth Space Shuttle orbiter constructed by Rockwell International |
| 42% | MARS | 4 | Planet that's being explored by two NASA rovers |
| 42% | CAR | 3 | Starman's Roadster in space, is one |
| 41% | NEIL | 4 | Armstrong, NASA's first civilian astronaut to fly in space |
| 41% | DEEPSKY | 7 | 2023 IMAX documentary about NASA’s James Webb Space Telescope |
| 41% | MORSECODE | 9 | Where S is ... |