The most common and most likely answer to this crossword clue is the 6 letter word HALLEY which also is the latest solution we found used in New York Times in 1942.
He discovered a comet crossword clue answers
Here's a list of possible crossword answers ranked by the most likely to least likely.
| Answer | Likelyness | Letters | 
|---|---|---|
| HALLEY | 100 % | 6 | 
Words with a meaning similar to the clue: He discovered a comet
These words may or may not be a possible solution to this crosswords clue.- livingstone
 - henry
 - circumnavigation
 - hipparchus
 - bunsen
 - fleming
 - galileo
 - hahn
 - herschel
 - magellan
 - murphy
 - priestley
 
Crossword Answer definitions
More crossword clues leading to the same solutions
Here's a few more crossword clues - all leading to the identical solution