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→Scientific Data on the Earth
The Earth is approximately 8000 miles (13000 km) in diameter, so its circumference is approximately 8000·π = about 25,000 miles (40,000 km). Its surface area is approximately 4·π (4000 mi)<sup>2</sup> = 200 million square miles (510 million km<sup>2</sup>). It has been said that Earth should really be called "water:" most of the Earth's surface, about 70%, is covered by water. In fact, the Pacific and Indian oceans alone cover about half of the Earth.
The Earth is approximately 8000 miles (13000 km) in diameter, so its circumference is approximately 8000·π = about 25,000 miles (40,000 km). Its surface area is approximately 4·π (4000 mi)<sup>2</sup> = 200 million square miles (510 million km<sup>2</sup>). It has been said that Earth should really be called "water:" most of the Earth's surface, about 70%, is covered by water. In fact, the Pacific and Indian oceans alone cover about half of the Earth.
== Evolutionary view ==
Estimates by geologists of the age of the Earth give about 4.55 billion years. This estimate is primarily based on radioactive dating of meteorites. In addition, most scientists also believe that the Earth formed by natural processes instead of being supernaturally created. Indeed, astronomers have detected dust lanes around other stars that indicate planet formation is a common and ongoing process.
Estimates by geologists of the age of the Earth give about 4.55 billion years. This estimate is primarily based on radioactive dating of meteorites. In addition, most scientists also believe that the Earth formed by natural processes instead of being supernaturally created. Indeed, astronomers have detected dust lanes around other stars that indicate planet formation is a common and ongoing process.