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https://sg.news.yahoo.com/traces-of-ancient-ocean-found-on-mars-161001455.html
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Traces of ancient ocean found on Mars - Yahoo Singapore News
10/31/22 at 4:10pm
Organization
Yahoo Entertainment
Author
Rob Waugh
Details
36 words
Summarize
Science
Earth Sciences
Mars
The finding is based on layers of sediment spotted around the edges of an ocean that is thought to have existed 3.5 billion years ago.
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