Solar panels should always face true south if you are in the northern hemisphere, or true north if you are in the southern hemisphere. True north is not the same as magnetic north. If you are using a compass to orient your panels, you need to correct for the difference, which varies from place to place.
Heracleion is also a spelling of Heraklion, Crete's largest city and capital. Heracleion (Greek: á¼¡ÏÎ¬ÎºÎ»ÎµÎ¹Î¿Î½), also known as Thonis (Î¸á¿¶Î½Î¹Ï), was an ancient Egyptian city near Alexandria whose ruins are located in Abu Qir Bay, currently 2.5 km off the coast, under 10 m (30 ft) of water.eracleion was originally built on some adjoining islands in the Nile Delta, and was intersected by canals. It possessed a number of harbours and anchorages, was the sister city of Naucratis, and was superseded by Alexandria.
Shallow water coral reefs straddle the equator worldwide. Corals are found across the worldâs ocean, in both shallow and deep water, but reef-building corals are only found in shallow tropical and subtropical waters.n the so-called true stony corals, which compose most tropical reefs, each polyp sits in a cup made of calcium carbonate. Stony corals are the most important reef builders, but organpipe corals, precious red corals, and blue corals also have stony skeletons.