The most common and most likely answer to this crossword clue is the 10 letter word COSMICRAYS which also is the latest solution we found used in LA Times in 2011.
Extraterrestrial factor in creating much of Earth's carbon-14 crossword clue answers
Here's a list of possible crossword answers ranked by the most likely to least likely.
| Answer | Likelyness | Letters |
|---|---|---|
| COSMICRAYS | 100 % | 10 |
Words with a meaning similar to the clue: Extraterrestrial factor in creating much of Earth's carbon-14
These words may or may not be a possible solution to this crosswords clue.- age
- space
- strike
- metalloid
- craton
- run
- blow
- date
- radiocarbon
- heptose
- cast iron
- alien
Crossword Answer definitions
More crossword clues leading to the same solutions
Here's a few more crossword clues - all leading to the identical solution