Interesting Engineering on MSN6d
Australia’s 1,400-year-old mystery ‘earth rings’ point to 65,000 years of tradition
A chain of unexplained rings in Australia has been found to be not a natural formation but evidence of millennia of human ...
EurekAlert!3y
Simulation of a hit-and-run collision of Theia and proto-Earth (IMAGE)
According to a new theory, there were two giant impacts in a row, separated by about one million years, involving a Mars-sized 'Theia' and proto-Earth. In this image, the proposed hit-and-run ...