#HTE
Alien ‘lava lamp’ with dying magnetic field orbited Earth a billion years ago – science
Scientists studying prehistoric lunar rocks have found evidence of a lava-lamp-like dynamo at the heart of our Moon’s metallic core that generated a long-lasting magnetic field.…
http://go.theregister.com/feed/www.theregister.co.uk/2017/08/11/ancient_moon_rocks_magnetic_field_dynamo/