Lines of longitude run from the top of the Earth to the bottom ... Southern Hemispheres divided by the Equator. The Arctic Circle surrounds the North Pole at 66.5°N and the Antarctic Circle ...
on the spot marked by the geographical surveyors of Washington as being midway between the north pole and the equator. View Full Article in Timesmachine » Advertisement ...
By the start of the Triassic, all the Earth's landmasses had coalesced to form Pangaea, a supercontinent shaped like a giant C that straddled the Equator and extended toward the Poles. Almost as ...