‘Bathtub Ring’ Offers New Evidence for Mars Ocean Billions of Years Ago

Mars Once Had a Vast Ocean Covering One-Third of the Planet, New Evidence Reveals

Planet Mars. Credit: Kevin M. Gill / Flickr / CC BY 2.0 Mars has long raised questions about its past. Dry riverbeds, mineral deposits, and layered rocks suggest that water once flowed across the planet. For decades, scientists have sought clear evidence that a vast ocean once covered Mars’ northern plains—possibly up to one-third of the planet. Early efforts focused on ancient shorelines. Features known as Arabia and Deuteronilus were thought t…

Scientists found a 'bathtub ring' on Mars. Could it be evidence of an ancient Red Planet ocean?

A huge geological structure on Mars resembling a bathtub ring may be evidence of an ocean that once covered a third of the Red Planet.

'Bathtub ring' suggests an ocean once covered one-third of Mars

Scientists find a hidden continental shelf on Mars, suggesting a vast ancient ocean once covered its north.

Did Mars have a huge ocean? A leftover ‘bathtub ring’ may offer new evidence

Scientists believe they found fresh proof of an ancient ocean on Mars in the form of a “bathtub ring” it left after it dried up billions of years ago.

Newly-Identified Geological Feature Points to Vast, Long-Dried Up Ocean in Northern Plains of Mars

A continent-like shelf beneath the Martian surface hints that a vast ocean once covered up to a third of Mars, reshaping the long-running debate over its watery past. The post Newly-Identified Geological Feature Points to Vast, Long-Dried Up Ocean in Northern Plains of Mars appeared first on Sci.News: Breaking Science News.