Answer | Crossword Clue |
---|---|
OORT | Dutch astronomer Jan |
OORT | Comet astronomer, Jan Hendrik |
OURS | Dutch astronomer |
OORT | Dutch astronomer |
BOK | Dutch-American astronomer. |
OORT | Dutch astronomer for whom a cloud is named |
OORT | Dutch astronomer who lent his name to a cloud |
OORT | Dutch astronomer who found the first evidence of dark matter |