| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| books about apollo space program | 0.73 | 0.6 | 1835 | 76 |
| books about apollo program | 1.71 | 1 | 55 | 92 |
| apollo space mission books | 0.22 | 0.3 | 8047 | 4 |
| the apollo space program | 0.13 | 1 | 6388 | 39 |
| apollo space program facts | 0.33 | 0.7 | 8212 | 59 |
| nasa apollo space program | 0.7 | 0.9 | 5408 | 61 |
| apollo space program pictures | 1.57 | 1 | 2588 | 11 |
| apollo space program 1960s | 1.16 | 0.8 | 972 | 88 |
| why was the apollo space program created | 1 | 0.3 | 3438 | 95 |
| books about the space program | 1.96 | 0.4 | 822 | 46 |
| books on apollo missions | 1.56 | 0.5 | 8890 | 52 |
| the apollo program nasa | 1.22 | 0.9 | 6186 | 83 |
| best books about nasa space program | 1.71 | 0.6 | 7267 | 59 |
| apollo space program timeline | 0.5 | 0.8 | 1500 | 27 |
| apollo program nasa astronauts | 0.14 | 1 | 7219 | 71 |
| the apollo space missions | 0.1 | 0.4 | 6635 | 63 |
| what was the apollo program | 0.95 | 0.4 | 3255 | 69 |
| apollo space management software | 1.22 | 0.6 | 8369 | 60 |
| nasa apollo program history | 1.54 | 0.8 | 3924 | 23 |
