The most common and most likely answer to this crossword clue is the 3 letter word HOR which also is the latest solution we found used in Newsday in 2000.
Earth-sky boundary: Abbr crossword clue answers
Here's a list of possible crossword answers ranked by the most likely to least likely.
| Answer | Likelyness | Letters |
|---|---|---|
| HOR | 100 % | 3 |
Words with a meaning similar to the clue: Earth-sky boundary: Abbr
These words may or may not be a possible solution to this crosswords clue.- horizon
- skyline
- apparent horizon
- sensible horizon
- visible horizon
- air
- ground
- grounded
- ufo
- atm
- moho
- dmz
More crossword clues leading to the same solutions
Here's a few more crossword clues - all leading to the identical solution