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jun 17, 1872 - 1872 begins oceanography with The Challenger Expedition. What is oceanography? Oceanography is when scientists measure sea depth, study the composition of the sea floor, and collect a lot of oceanic data.

Added to timeline:

13 Oct 2017
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Paige Lang
oceanography timeline

Date:

jun 17, 1872
Now
~ 149 years ago

Images:

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