Our old planet, the Earth is 4.54 billion years old. In fact, the human mind can no longer make any sense of large numbers like that. Numbers like 1, 2, 14, 20, 50 are all quantities that we encounter quite frequently in our daily lives. And our brain evolved to conceptualize numbers like that: our […]
Earth, the blue planet: the oceans combined with the atmosphere makes the planet look blue. So its color mainly comes from water. About 71% of the Earth’s surface is covered with water, in fact, Earth is still the only planet we know where water can exist in liquid form on the surface. Water is also […]
How deep is the ocean (on average) and the Mariana Trench, the deepest part of the world’s oceans? Watch the amazing video published by National Geographic below.
Our home planet, Earth, is the third of the four smaller inner planets (Mercury, Venus, Earth, and Mars). It is also the only planet in our solar system known to harbor life. Here are some interesting facts about Earth in the Solar System.
In fact, we’re all living in a fast-moving spacecraft named Earth. Our planet is moving around our sun in an elliptical (an ellipse which is very close to a circle) orbit. The Sun is (our solar system, the Sun, Earth and all the other planets and objects) whirls around the center of our galaxy, the […]