Earth Had 2 Moons That Merged, New Theory Says

"Goodnight Moons"? "The cow jumped over the moons"? If a new theory published in Wednesday's scientific journal Nature is proved correct, a children's nursery rhyme and bedtime story might need to be revised if not for events in the distant past. According to scientists at the University of California, Santa Cruz, and the University of Bern in Switzerland, two moons merged in a very slow collision more than 4 billion years ago to create the one that lights up the night sky. The theory...Full Story
Commenting on this article is closed.