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Encylopedia > Astronomy > Planet

Earth


Picture of Earth
Image courtesy Nasa

Earth is the 3rd planet in the Solar System. It is a terrestrial planet meaning solid surface compared for example to Jupiter which is a gas giant. Currently Earth is the only known planet in our known Universe with a living ecosystem.

Diameter: 12742 kilometers
Mass: 1 of Earth
Orbit around sun: 365
Surface Temperature: -89 degrees to 58 degrees centigrade
Moons: 1

The Earth is 32% iron, 30% oxygen, 15% silicon, 14% magnesium, 3% sulfur, 2% nickel, about 1.5% calcium and 1.5% aluminium. That leaves just over 1% for all the elements in our periodic table.

Water covers approximately 70.8% of the Earth`s surface. It is the most essential part of the temperature and weather regulation that exists. Currents flowing around the Planet help to control the seasons in different parts of the world by acting sort of like a dampening effect of the Sun moving from tropic to tropic.

The Earth`s crust is broken up into tectonic plates that push and pull against each other causing the earthquakes that we experience. Volcanoes create new mountains and destroy old landscapes but nothing like in the past. In the early stages of Earth`s history there would have been no solid surface until the heat of the creation started to be lost.

Earth in other languages:-

Cebuano:kalibutan
Chinese:dìqiú
地球
French:f terre
German:f erde
Greek:f Γη
Indonesian:bumi
Italian:f terra
Japanese:chikyuu
地球
Nederlands:c aarde
Norwegian:jorden
Polish:f ziemia
Portuguese:f terra
Spanish:f tierra
Tagalog:lupa
Turkish:dünya