Diameter of our planet is 12,756.3 km. Becides age of Earth 4.5-4.6 billion years old. Morever total surfuce Area is 509,600,000 km. Surface covered by water is more than surface covered by land. Water covered 71% of our planet and land covered 29%. Futhermore distance Earth from the Sun is 149,573,000 km. On our plater are 6 cotinents. they call: Africa, Antarctida, Eustalia, Australia, North America and South America. Everybody know that there are 4 oceans: Atlantic, Pacific, Arctic and Indian. In the end our population is over 7.000.000