Sydney Harbour in Australia is the largest natural harbor in the world. It is also the location of many of the city's main attractions, including the Sydney Opera House, the Sydney Aquarium and the Sydney Harbour Bridge.
Over 11 miles long and covering an area 21 square miles in size, Sydney Harbour, in Sydney, Australia, is also called Port Jackson. The harbor is home to several islands, many of historical significance. It also houses a large variety of fish — totaling over 580 species. The harbor's large volume, approximately 500 gigalitres, is the base of the Sydharb, an official Australian unit of volume.Learn More
The River Nile drains into the Mediterranean Sea. It is the longest river on the African continent and in the world.Full Answer >
The ocean covers 321,003,271 cubic miles, or 70 percent of the Earth's surface, according to the National Oceanic and Atmosphere Administration. A cubic mile is the volume of a cube that measures 1 mile on each side. The ocean makes up 96 percent of the Earth's water.Full Answer >
Scientists have not agreed on the technical, formal differences between a pond and a lake, though in practice, a pond is not as deep or large as a lake. Whether a body of water is called a pond or lake usually depends on local conventions.Full Answer >
Water comes from three main natural sources: rain water, underground water and surface water. Rain water includes rain, snow and other forms of precipitation. Underground includes water tables and water hidden in the soil. Surface water includes oceans, rivers, lakes, ponds and any other above-ground collection of water.Full Answer >