https://www.sciencealert.com/ancient-rocks-reveal-earths-magnetic-field-existed-3-7-billion-years-ago
0
0
4/27/24 at 10:05am
Organization
ScienceAlert
Author
Michelle Starr
Rocks that formed some 3.7 billion years ago in the early Archean have given us the earliest glimpse yet of Earth's magnetic field.
Create an account
or login to join the discussion