Moon-Forming Crash Left A 'Signal' In Planet Earth - Universe Today
What physical evidence exists of a huge collision that formed our Moon and nearly blew the Earth apart, about 4.5 billion years ago? This is the leading theory for how the Moon came to be, but given it happened so long ago the physical evidence is scarce. Readers may recall the story from last week … Continue reading "Moon-Forming Crash Left A ‘Signal’ In Planet Earth"