Scientists say they have found evidence that some precious metals, including gold and platinum, came from outer space billions of years ago.
Researchers from the University of Bristol, England to conclusions based on studies of sediment was four billion years in Greenland. They found the isotope in the sediment clearly different isotopes from the Earth.
According to them, this distinction reinforces the theory that mention the precious metals we use today to the earth through the release of a large meteor when new meteor 200 million years old. Metallic gold and other heavy metals and then sank into the earth's molten core in the early days.
"But the origin of the first of what is now the stuff of gold jewelry in the form of rings, necklaces and other even more exotic," reports the BBC, Risto Pyykkö.
According to scientists, metallic gold is formed in a collision between neutron stars, the most terrible explosion that has ever happened in the universe.