Planet earth .. is a planet in the Solar System that orbits its star-the Sun in the third innermost orbit. It is the densest and fifth-largest of the eight planets in the Solar System. It is also the largest of the four terrestrial.
The Earth was formed about 4.55 billion years ago and life began about a billion years después.16 is home to millions of species, including humans and currently the only astronomical body where it is known the existence of life.17 The atmosphere and other abiotic conditions have been significantly altered the planet's biosphere, favoring the proliferation of aerobic organisms as well as the formation of an ozone layer which, together with Earth's magnetic field block harmful solar radiation, thus allowing life on Earth.
The Earth was formed about 4.55 billion years ago and life began about a billion years después.16 is home to millions of species, including humans and currently the only astronomical body where it is known the existence of life.17 The atmosphere and other abiotic conditions have been significantly altered the planet's biosphere, favoring the proliferation of aerobic organisms as well as the formation of an ozone layer which, together with Earth's magnetic field block harmful solar radiation, thus allowing life on Earth.
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