BSTAR
| Date | Clue |
|---|---|
| 2019-02-20 | Rigel or Spica, by spectral type |
| 2009-01-10 | Rigel, for one |
| 2008-03-29 | Rigel or Spica |
| 2007-07-20 | It's massive and relatively hot |
| 2003-05-23 | Rigel, for one |
| Date | Clue |
|---|---|
| 2019-02-20 | Rigel or Spica, by spectral type |
| 2009-01-10 | Rigel, for one |
| 2008-03-29 | Rigel or Spica |
| 2007-07-20 | It's massive and relatively hot |
| 2003-05-23 | Rigel, for one |