Six-hour days and not much life: What Earth was like before things slowed down - Telegraph.co.uk
- Six-hour days and not much life: What Earth was like before things slowed down Telegraph.co.uk
- Earth got its oxygen-rich atmosphere because its rotation slowed down 2.4 billion years ago Daily Mail
- Earth slowed down . . . and gave life a chance The Times
- Lake Huron sinkhole surprise: The rise of oxygen on early Earth linked to changing planetary rotation rate Phys.org
- New theory: Earth's longer days kick-started oxygen growth The Independent
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