Scientists found traces of extraterrestrial substances at the ocean

Researchers found in samples of oceanic bark isotopes of plutonium and iron which do not meet in terrestrial conditions. According to authors of opening it means that Earth surfaces periodically reach streams of substances, thrown out at explosions supernew or merge neutron stars. As researchers note, for the last ten million years the star substance was besieged to Earth at least two times. Article published in zhurnaleScience. It is noted that kernels of all chemical elements, heavier, than iron, are formed in the star environment at nuclear process...