Tidal deposit (IMAGE)
Caption
Murray and his collaborators relied on geologic evidence in their study, like these samples from a tidal estuary that reveal the cycle of spring and neap tides.
Credit
G.E. Williams
Usage Restrictions
Image for use in editorial coverage of the article ‘Why the day is 24 hours long; the history of Earth’s atmospheric thermal tide, composition, and mean temperature,’ published in the journal Science Advances.
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Original content