SSTARS
| Date | Clue |
|---|---|
| 2019-12-01 | Cool red giants |
| 2016-08-12 | Some red giants |
| 2011-08-18 | Cool red giants |
| 2010-12-31 | Red giants in the night sky |
| 2006-02-18 | Cool red giants |
| 2005-09-24 | Red giants with zirconium oxide in their spectra |
| 1998-01-16 | Cool red giants |