Thursday, 18 February 2016

Earth

Some Information of the Earth Planet.

Planet info.


Mass: 5,972,190,000,000,000 billion kg
Equatorial Diameter: 12,756 km
Polar Diameter: 12,714 km
Equatorial Circumference: 40,030 km
Known Moons: 1
Notable Moons: The Moon
Orbit Distance: 149,598,262 km (1 AU)
Orbit Period: 365.26 Earth days
Surface Temperature: -88 to 58°C


About The Earth


Earth's rotation is gradually slowing

This statement is happening almost imperceptibly, in approximately 17 milliseconds per hundred years, but the rate at which it occurs is not perfectly uniform. This has the effect of lengthening our days, but it happens so slowly that it could be up to 140 million years before the last one day there will be increased to 25 hours.

Earth once believed to be the center of the universe

Because of the apparent motions of the Sun and planets in relation to their view, the ancient scientists insist that the Earth remained static, while other celestial bodies traveling in circular orbits around it. Over time, the view that the Sun was the center of the universe was postulated by Copernicus, although this is not the case.

Earth has a strong magnetic field

This phenomenon is caused by the nickel-iron core of the planet, along with its rapid rotation. This field protects Earth from the effects of solar wind.

There is only a natural satellite of planet Earth

As a percentage of the size of the body it orbits, the Moon is the largest of all the planets in our solar system satellite. In real terms, however, it is only the fifth largest natural satellite.

Earth is the only planet not named after a God

The other seven planets in our solar system are named after Roman gods and goddesses. Although only Mercury, Venus, Mars, Jupiter and Saturn were named in ancient times, because they were visible to the naked eye, the Roman method of naming planets remained after the discovery of Uranus and Neptune.

Of all the planets in our solar system, Earth has the highest density

This varies according to the part of the planet; For example, the metal core is denser than the crust. The average density of the Earth is about 5.52 grams per cubic centimeter.

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