Evolution of Earth

Listen : The Moon's birth

In the early 1970s, Dr William K Hartmann proposed that the early Earth collided with a planet the size of Mars, sending debris into the battered Earth's orbit. He theorised that the Moon formed from this debris. This clip refers to the Moon as being dry. In recent years new studies have resulted in conflicting conclusions about the Moon's water content.02 December 2010, 3 minutes : https://www.bbc.co.uk/programmes/p0063x4x

The moon’s violent birth may have given Earth the ingredients of life : https://www.newscientist.com/article/2191615-the-moons-violent-birth-may-have-given-earth-the-ingredients-of-life/