africa american samoa angola antarctica arctic argentina atlantic ocean auckland australia bolivia botswana bouvet island brazil burundi celestial sphere chagos archipelago chile climate clockwise colombia comoros cook islands coriolis effect crux earth east east timor easter island eastern hemisphere ecuador equator equatorial guinea equinox falkland islands fiji french polynesia gabon geographic coordinate system hemisphere indian ocean indonesia industrialisation jarvis island kenya kerguelen islands kermadec islands kiribati land hemisphere land mass lesotho libreville list of antarctic and sub-antarctic islands madagascar malawi maldives mauritius mayotte milky way moon mozambique namibia nauru new caledonia new zealand niue north northern hemisphere ocean pacific ocean papua new guinea paraguay peru planet population quito republic of the congo rwanda saint helena samoa season seychelles sky tower solomon islands solstice somalia south south africa south america south georgia and the south sandwich islands south island south orkney islands south pole southern ocean sphere sun swains island swaziland tanzania the blue marble tokelau tonga tristan da cunha tropic of capricorn tuvalu uganda uruguay vanuatu wallis and futuna water hemisphere west western hemisphere zambia zimbabwe