Photo: Maxwell Thiemens
Scientists of the University of Cologne in Germany found that the Moon was formed 50 million years after Solar system formation. Thus, the natural satellite of the Earth was older than previously thought. About it reported in a press release on Phys.org.
According to previous research, the Moon must have been formed no later than 150 million years after the formation of the Earth. However, the results of analysis of samples of lunar rocks collected during the mission “Apollo”, showed that the satellite was formed of 4.51 billion years ago.
Scientists have estimated the number of isotopes of hafnium and tungsten. Radioactive decay of hafnium-182 to tungsten-182 continued only in the first 70 million years of the Solar system. This allowed us to determine that molten rock containing these isotopes, started to cool down much earlier. Thus, the collision of Earth with large space object which is believed to have led to the emergence of the satellite, occurred in the first few tens of millions years after the formation of the Solar system.
Video, photo All from Russia.