The South Pole is the southern end of the Earth’s axis, lying in Antarctica, about 300 miles (480 km) south of the Ross Ice Shelf.
glacial ice outsideGreenlandandAntarctica. Rimming the state on the south is one of Earth’s most active earthquake belts, thecircum-Pacific seismic belt. Alaska has more than 130 active volcanoes, most of which are on the Aleutian Islands and theadjacentAlaska Peninsula. TheAlaska earthquake of...
Southern Ocean, body of salt water covering the portions of the world ocean and tributary seas surrounding Antarctica below 60° S. Unbroken by any other continental landmass, its narrowest constriction is the Drake Passage, 600 miles wide, between South
Tasman Sea, section of the southwestern Pacific Ocean, between the southeastern coast of Australia and Tasmania on the west and New Zealand on the east; it merges with the Coral Sea to the north and encloses a body of water about 1,400 miles (2,250 km) wide and 900,000 square miles ...
of angiosperm evolution might lie inGondwanaland, a supercontinent of the Southern Hemisphere thought to have existed in theMesozoic Era(252 to 66 million years ago) and consisted of Africa, South America, Australia, peninsular India, and Antarctica. Analternativeexplanation for this geographic pattern...