| Answer | Crossword Clue |
|---|---|
| BITTERLYCOLD | Very low-temperature |
| ZERO | Low temperature. |
| CRYOGENICS | Low temperature physics |
| REDDWARF | Faint, low-temperature star |
| REDDWARF | Relatively low-temperature star |
| ABSOLUTEZERO | Very cold temperature |
| MINUS | Start of a very cold temperature |
