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18h 58min, dec 31, 1872 y - the challenger expedition
Description:
the beginning of oceanography, scientists measure the depth of the sea, they also do studies on the seafloor
Added to timeline:
oceanography
By
Nicolas wilkinson
25 Oct 2017
0
0
427
Date:
18h 58min, dec 31, 1872 y
Now
~ 152 years ago
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