| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| how many robots have we sent to mars | 1.67 | 0.9 | 8498 | 77 |
| robots sent to mars | 0.47 | 0.9 | 3480 | 85 |
| what robots has nasa sent to mars | 1.48 | 0.5 | 9195 | 83 |
| how many robotic missions have explored mars | 1.27 | 0.8 | 6217 | 78 |
| how many people have went to mars | 0.96 | 0.5 | 6806 | 53 |
| how many rovers sent to mars | 0.72 | 0.4 | 8805 | 66 |
| how many planets have robots landed on | 0.09 | 0.5 | 8462 | 1 |
| how to get mars war robots | 0.07 | 0.9 | 6950 | 76 |
| how many people have landed on mars | 0.11 | 1 | 9494 | 75 |
| robots and rovers on mars | 1.97 | 0.2 | 7725 | 10 |
| nasa robot on mars | 0.46 | 1 | 7814 | 94 |
| how many spacecrafts visited mars | 1.68 | 0.1 | 8482 | 71 |
| robotic missions to mars | 0.05 | 0.6 | 8588 | 44 |
