No. Boston, Mass in the USA is closer to the Arctic Circle than to the Antarctic Circle. Boston and the Arctic are both in the Northern Hemisphere: Antarctica is in the Southern Hemisphere.
No.
Yes, there is an Antarctic Circle.
Antarctic Circle
66.5 and 90 degrees away respectively.
The Antarctic Circle is about 66 degrees S.
The Antarctic Circle surrounds Antarctica.
The Antarctic Circle
Only Antarctica is crossed by the Antarctic Circle.
The Antarctic Circle does not pass through any countries.
Antarctica is south of the Antarctic Circle, yes.
Yes, the Antarctic Circle is south of Africa.
The Antarctic Circle crosses Antarctica.