Our planet earth, our motherland, the place we have lived in all our lives-how much do we really know about it? Earth is the third planet from the sun and largest one of the terrestrial planets.? This planet was formed somewhere around 4.5 billion years ago and is currently the only one in the universe that supports life. ?Earth is the densest planet in the solar system and has one natural satellite called the Moon. You might know these basic facts about earth but do you know that earth is not really round, as most of us believe it to be? Or do you know how earth got its name? Well, if not, then you will be very fascinated to know such more similar facts about our planet. ?The following are the top 10 facts about earth you probably didn?t know:
The earth is not round
Yes, you read that right. Our planet earth is not that round! Yes, the earth is a sphere but it is not a perfect circle due to the gravitational forces.? There is infact also a bulge around the equator and the polar radius and equatorial radius are not the same. How many of your really knew this fact, we wonder.
The name of our planet is taken from Anglo Saxons
All the planets in our solar system are named after Greek Gods or Roman Gods, but our planet isn?t named after any of those. The word ?Earth? is infact taken from a word called ?Erda? from the Anglo Saxons. Erda means Soil or Ground and is a 1000 year old word.? Earth may mean ground but ironically, about 70% of it is covered with water.? Infact, earth is the only known planet in the universe which has this valuable fluid in its liquid nature.
The Queen of UK owns most of the earth?s land
It is a fact that the Queen of UK has about one sixth of the total land area on earth under her legal possession.
Earth once had a twin called Theia
Did you know that planet Earth was not alone in our orbit around the sun? Once upon a time, our planet had a twin called Theia which got crashed into Earth and was absorbed.? It was approximately the size of Mars and the crash took place about 4.5 billion years ago.? This theory came into picture when scientists thought that our natural satellite-Moon was unusually big in size for a planet of our size.? Also, moon is present with metallic isotopes that are kind of similar to those on Earth.
The oceans on Earth are still about 90% unexplored
Yes, we have been to the Moon and also to Mars but we still haven?t been able to explore our massive oceans yet.? Only about 10% of our seas have been explored till now and we still do not know about 25 million species that live in the oceans.? It is a fact that 97% of the water present on earth is in the form of oceans and these oceans have 99% living area for these species.
Earth has plate tectonics and it is the only planet with those
Scientists have found and estimated that earth is the only planet which has plate tectonics. It infact has 7 major plates of crust that move in varied directions and shift about 4 inches every year.? When they move in opposite directions, valleys are created but when they crush with each other, mountains take birth. But this shift and moving also causes earthquakes as well as volcanoes.
The coldest temperature recorded on earth is -128.6 F
The coldest temperature ever to be recorded on planet earth is a whopping -128.6 degree Fahrenheit.? This was recorded on July 21, 1983 in Antarctica. The hottest temperature to be recorded on the other hand is 136 degrees Fahrenheit in Libya.
Earth?s deepest point is VERY DEEP
Another interesting fact about earth that you probably weren?t aware of is that the deepest point on earth is about 25 empire state buildings from end to end!
Mount Everest is not the highest point on Earth
This might come as a surprise to most of you but Mount Everest is not infact the highest point on our planet.? Since Earth has bumps due to the movement of tectonic plates, some areas are higher whereas some are lower. Mount Everest is 29035 ft. above sea level but Mount Chimborazo in Ecuador is higher than Everest by about 1.5 miles.
A day on earth does not have 24 hours
A lot of you must complain that there aren?t enough hours in a day and well, you are right. There aren?t even 24 hours in one single day; the exact count is 23 hours, 56 minutes and 4 seconds.?