Earth Once Had Just 19-Hour-Long Days

According to a study published in the journal Nature Geoscience, Earth once had just 19-hour-long days due to the presence of the Moon.

The movement of Earth in space is influenced by various astronomical bodies. (Photo: Getty)

Earth once had days that were only 19 hours long, a stark contrast to the current 24-hour cycle, which is the result of the planets rotation on its own axis.

During a period known as the "boring billion," two geophysicists discovered that Earth experienced a slo...

Subscribe to view this content.

Explore exclusive GGI coverage of Donald Trump’s assassination attempt.

 
Do you have a tip or sensitive material to share with GGI? Are you a journalist, researcher or independent blogger and want to write for us? You can reach us at [email protected].