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== {{int:filedesc}} == {{Information |Description={{en|1=A rendering of an {{w|XBT|expendable bathythermograph (XBT)}} instrument which is used to measure the temperature of water in relation to the depth.}} |Source=http://earthobservatory.nasa.gov/Fea...
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PNG file comment
This is a retouched version of an image that was made available at <http://earthobservatory.nasa.gov/Features/OceanCooling/page3.php> on the Web. The original image is a work of the US government that was produced by Robert Simmon of the NASA Goddard Space Flight Center and as such is not subject to copyright protection in the US. Foreign copyrights may apply. Transparency was added to the image by the Wikimedia Commons user Gazebo <https://commons.wikimedia.org/wiki/User:Gazebo> and this retouched version of the original image has been released into the public domain.