Washington, January 27. American scientists who study the origin of our planet, made an amazing discovery. It turns out the Earth wasn't always a blue planet, what we used to think.
According to one theory, the water appeared with the interplanetary drive that contains dust particles from adhering to them the water molecules. On the other — the water on Earth brought ice-covered meteorites.
It happened during the formation of the planet.
this is the conclusion the researchers came during the analysis of the content of deuterium in one of the samples of the oldest basalts. Deuterium is the isotope of hydrogen with one neutron, according to ""..