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|---|---|---|---|---|
| Rank | Domain | PR | Backlinks | Pages in URL |
| 1 | tycho.usno.navy.mil | 8 | 141000 | 1880 |
| 3 | aa.usno.navy.mil | 7 | 133000 | 313 |
| 5 | usno.navy.mil | 7 | 283000 | 18800 |
| 6 | time.gov | 8 | 148000 | 148 |
| 8 | wwu.edu | 7 | 92500 | 108000 |
| 9 | dir.yahoo.com | 8 | 1640000 | 1540000 |
| 10 | spaceflight.nasa.gov | 7 | 192000 | 57100 |
| 11 | iode.org | - | ||
| 13 | space.about.com | 6 | 33300 | 17000 |
| 14 | columbia.edu | 8 | 1460000 | 1650000 |
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|---|---|---|---|---|
| Rank | Domain | PR | Backlinks | Pages in URL |
| 1 | tycho.usno.navy.mil | 8 | 141000 | 1880 |
| 3 | en.wikipedia.org | 8 | 61800000 | 3750000 |
| 4 | usno.navy.mil | 7 | 283000 | 18800 |
| 5 | time.gov | 8 | 148000 | 148 |
| 6 | aa.usno.navy.mil | 7 | 133000 | 313 |
| 9 | thelivingmoon.com | 3 | 2430 | 765 |
| 10 | nps.gov | 8 | 1860000 | 327000 |
| 11 | columbia.edu | 8 | 1460000 | 1650000 |
| 12 | answers.com | 7 | 2160000 | 27100000 |
| 13 | infoplease.com | 8 | 972000 | 584000 |
![]() |
||||
|---|---|---|---|---|
| Rank | Domain | PR | Backlinks | Pages in URL |
| 1 | tycho.usno.navy.mil | 8 | 141000 | 1880 |
| 3 | time.gov | 8 | 148000 | 148 |
| 4 | usno.navy.mil | 7 | 283000 | 18800 |
| 5 | aa.usno.navy.mil | 7 | 133000 | 313 |
| 7 | en.wikipedia.org | 8 | 61800000 | 3750000 |
| 9 | daniweb.com | 7 | 179000 | 579000 |
| 12 | eclipse.gsfc.nasa.gov | 6 | 14700 | 4020 |
| 13 | usgovinfo.about.com | 7 | 64900 | 22500 |
| 14 | space.about.com | 6 | 33300 | 17000 |
| 15 | transitofvenus.org | |||
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