| Keyword |
CPC |
PCC |
Volume |
Score |
| 1980s nasa virtual reality | 1.58 | 0.1 | 7375 | 36 |
| astronaut virtual reality nasa | 1.05 | 1 | 3782 | 58 |
| virtual reality in 1990 | 1.35 | 0.5 | 1126 | 16 |
| nasa virtual reality training | 1.81 | 0.5 | 2645 | 43 |
| virtual reality movies 80s | 1.86 | 1 | 2305 | 35 |
| nasa virtual reality laboratory | 1.57 | 0.4 | 9823 | 64 |
| virtual reality in the 90s | 0.33 | 0.2 | 6479 | 4 |
| history of virtual reality images | 0.18 | 0.5 | 6213 | 84 |
| history about virtual reality | 1.44 | 0.5 | 8273 | 85 |
| virtual reality tv show 1990s | 1.77 | 0.1 | 2764 | 84 |
| background of virtual reality | 1.13 | 0.3 | 8275 | 24 |
| the beginning of virtual reality | 0.71 | 0.3 | 3722 | 48 |
| virtual reality in 10 years | 1.06 | 0.5 | 9618 | 18 |
| virtual reality wikipedia history | 1.47 | 0.2 | 9703 | 73 |
| virtual reality in space | 0.93 | 0.6 | 1939 | 53 |
| the first virtual reality | 0.14 | 0.1 | 136 | 59 |
| virtual reality gaming system from 1990s | 0.5 | 0.7 | 2732 | 26 |
| how long has virtual reality been around | 0.92 | 0.7 | 5347 | 78 |
| how was virtual reality created | 0.93 | 0.7 | 6527 | 10 |
| history of virtual reality technology | 1.78 | 0.6 | 4028 | 40 |
| the creation of virtual reality | 0.35 | 0.3 | 2290 | 52 |
| the technology behind virtual reality | 0.49 | 0.3 | 2034 | 19 |
