Water is essential to human life. Hence, human settlements tend to crop up near water sources such as rivers. This is particularly evidence in Africa, which has many quite dry regions.
The surface of the moon is secured with dead volcanoes, sway holes, and magma streams, some noticeable to the independent stargazer. Early researchers figured the dull stretches of the moon may be seas, thus named such highlights horse, which is Latin for "oceans"
According to the big Splash theory, the Moon framed out of the trash left over from a crash among Earth and a galactic body the size of Mars, roughly 4.5 billion years prior, in the Hadean age; around 20 to 100 million years after the Solar system blended.
