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State Boundaries - Federated States of Micronesia
State boundaries of the Federated States of Micronesia (FSM), delimiting the states of Yap, Chuuk, and Kosrae. These are approximated from the map image on Wikipedia at:... -
Tropic of Capricorn
The Tropic of Capricorn lies at 23d 26' 22" (23.4394 degrees) south of the Equator and marks the most southerly latitude at which the sun can appear directly overhead at noon.... -
Prime Meridian
The Prime Meridian is the meridian (line of longitude) at which the longitude is defined to be 0 degrees. The Prime Meridian and its opposite, the Antimeridian (at +/-180... -
Tropic of Cancer
The Tropic of Cancer lies at 23d 26' 22" (23.4394 degrees) north of the Equator and marks the most northerly latitude at which the sun can appear directly overhead at noon. This... -
Equator
The line of latitude at 0 degrees, which is equidistant from the poles, and which separates the Northern Hemisphere from the Southern Hemisphere. -
Antimeridian
The Antimeridian is the +/-180 degree line of longitude, exactly opposite the Prime Meridian. It is often used as the basis for the International Date Line (IDL) because it... -
Shoreline - U.S. Pacific and Affiliated Territories
Shorelines of all U.S. Pacific and affiliated territories. Compiled from individual shoreline layers.