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French astronomer who wrote the seminal Celestial Mechanics, 7 letters
French pioneer in planetary orbital theory, 7 letters
Arctic Circle region, 7 letters
Arctic Circle region of Europe, 7 letters
It's largely within the Arctic Circle, 7 letters
Northern European region, 7 letters
Province in northern Finland, 7 letters
Region encompassing northern Scandinavia, 7 letters
Santa's traditional home, to some, 7 letters
Scandinavian region, 7 letters
Section of Scandinavia, 7 letters
Where Santa lives, in Finnish legend, 7 letters
A region in northmost Europe inhabited by Lapps, 7 letters
Game bird's bellyache, 9 letters
Some Arctic Circle residents, 10 letters
Some Scandinavians, 10 letters
Argentine cathedral city, 7 letters
Capital of Buenos Aires province, 7 letters
City ESE of Buenos Aires, 7 letters
City near Buenos Aires, 7 letters
City once called Eva Per, 7 letters
Rio de ___ (Buenos Aires' river), 7 letters