Grand Canyon Rocks Preserve a 1.2-Billion-Year Record of Earth And The Moon

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A new scientific study revealed that today on Earth was about five hours shorter than it was about 1.25 billion years ago, at which time it was only 19 hours long, according to an analysis by researchers of ancient rock layers in the Grand Canyon region of the United States. Researchers relied on the rocky "hacate" layers, with red orange, which maintained geological signals that helped rebuild part of the history of the relationship between the…