Six thousand kilometres isn’t a long way. Along the surface of the earth it’s the distance from Beijing to the Middle East. That distance above your head is still well within earth’s orbit and many satellites are much further out. The Middle East and the earth’s orbit are places we understand reasonably well and that… Continue reading Earth’s layered structure
Tag: earth
Earth as a planet
Formation of the solar system The earth, our home, is the third of 8 planets orbiting a star, our Sun. Together they make up the solar system. To understand how our planet formed, we need to know how solar systems are created and how they develop. Around 4.5 billion years ago there was a cloud… Continue reading Earth as a planet