| Ranking | Workshop Tool | New Visitors | Best Day |  
| 1 | Scientific Notation | 441 | Tuesday February 08, 2005 | 
| 2 | Solar System Collisions | 322 | Monday February 21, 2005 | 
| 3 | Astronomy Workshop | 283 | Monday February 07, 2005 | 
| 4 | Astronomy  Workshop Tools | 264 | Monday February 28, 2005 | 
| 5 | Build Your Own Solar System | 184 | Monday February 28, 2005 | 
| 6 | Solar System Viewer | 162 | Wednesday February 02, 2005 | 
| 7 | Rogue Star | 147 | Monday February 28, 2005 | 
| 8 | Astronomical Distances | 142 | Sunday February 13, 2005 | 
| 9 | Your Weight on Other Worlds | 115 | Monday February 28, 2005 | 
| 10 | Earth's Seasons | 45 | Tuesday February 15, 2005 | 
| 11 | The Life of the Sun | 40 | Friday February 04, 2005 | 
| 12 | Earthquakes! | 29 | Monday February 21, 2005 | 
| 13 | Satellite Viewer | 28 | Monday February 07, 2005 | 
| 14 | Planetary Calculator | 21 | Tuesday February 08, 2005 | 
| 15 | Satellite Calculator | 19 | Tuesday February 08, 2005 | 
| 16 | Inner Solar System Viewer | 18 | Monday February 07, 2005 | 
| 17 | Universe Timeline | 17 | Tuesday February 08, 2005 | 
| 18 | Orbit Viewer (3D) | 16 | Monday February 07, 2005 | 
| 19 | Orbit Viewer (2D) | 15 | Friday February 11, 2005 | 
| 20 | Extra Solar Planets | 15 | Sunday February 13, 2005 |