PARSEC
| Date | Clue |
|---|---|
| 2024-08-18 | About 3.26 light years |
| 2016-06-18 | About 3 1/4 light-years |
| 2015-10-10 | Distance light travels in 3.26 years |
| 2011-04-24 | 3.26 light-years |
| 2008-06-28 | Unit that's larger than 19 trillion miles |
| 2006-05-28 | 3.26 light-years |
| 2005-05-11 | 3.26 light-years |
| 2005-04-06 | Astronomical distance |
| 2000-12-20 | Astronomical distance |
| 1999-02-28 | 3.26 light-years |
| 1996-05-19 | Intergalactic distance |