| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| astronomy picture of the day archive 2004 | 1.33 | 0.9 | 7512 | 27 |
| astronomy picture of the day archive 2003 | 0.4 | 0.4 | 1741 | 74 |
| astronomy picture of the day archive 2005 | 1.67 | 0.4 | 130 | 95 |
| astronomy picture of the day archive 2006 | 1.48 | 0.1 | 9804 | 44 |
| astronomy picture of the day archive 2001 | 0.38 | 0.2 | 6029 | 22 |
| astronomy picture of the day archive 2007 | 1.97 | 0.2 | 5787 | 78 |
| the astronomy picture of the day archive | 0.69 | 0.1 | 80 | 77 |
| astronomy picture of the day archive 2011 | 1.99 | 1 | 3024 | 73 |
| nasa astronomy picture of the day archive | 1.08 | 0.9 | 8320 | 22 |
| astronomy picture of the day archive 2015 | 0.94 | 1 | 5310 | 42 |
| astronomy pic of the day archive | 1.55 | 0.5 | 1981 | 59 |
| astronomy picture of the day 2005 | 1.46 | 0.2 | 3473 | 58 |
| the astronomy picture of the day | 0.65 | 1 | 5047 | 11 |
| astronomy picture of the day 2003 | 0.8 | 0.3 | 4022 | 82 |
| nasa picture of the day archive | 0.92 | 0.1 | 6995 | 7 |
| astronomy picture of the day book | 1.17 | 0.2 | 7532 | 28 |
| nasa photo of the day archive | 0.05 | 0.9 | 6474 | 43 |
| astronomy photos of the day | 0.35 | 1 | 3951 | 40 |
