The Occultation of a Star by the Moon

Nicolaus Copernicus (Mikolaj Kopernik), a Polish Astronomer, recorded in 1497, Continue reading

Underwater Excavation of a Shipwreck

Some sponge divers in 1900 found a shipwreck off the island of Antikythera, Greece (thats near Crete) at a depth of about 170 feet (50-60 meters). Continue reading