,,, and whether ocean salinity levels was something I should be concerned about or not.
The plan is for the unmanned spacecraft to orbit Jupiter and perform a detailed investigation of Europa, including measuring the depth and salinity of its ocean.
Where the Titanic sits, the water salinity lies at 3.
Thanks to its high salinity, you'll bob like a cork.
Now, however, a study led by researchers from McGill University suggests a new explanation: The 1970s polynya may have been the last gasp（） of what was previously a more common feature of the Southern Ocean, and which is now suppressed due to the effects of climate change on ocean salinity.
Not all of Earth's waters are able to support life, and the limits of terrestrial life are sharply defined by water's temperature, acidity and salinity.
