A 2,700-year-old solar eclipse just revealed something surprising about Earth
A solar eclipse recorded more than 2,700 years ago is revealing surprising secrets about Earth's rotation and the Sun's ancient behavior.
A solar eclipse recorded more than 2,700 years ago is revealing surprising secrets about Earth's rotation and the Sun's ancient behavior.
By correcting an eight-kilometer error in the location of an ancient Chinese capital, scientists were able to reconstruct a total solar eclipse that occurred in 709 BCE and obtain more accurate measurements of how fast Earth was spinning at the time.
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