Published on 15 April 2016
Despite only being in orbit a matter of weeks, Sentinel-3A has already delivered some impressive first images. With the thermal-infrared channels now turned on, the satellite completes its set of firsts with a view of ocean features off the coast of Namibia.
![](http://www.esa.int/var/esa/storage/images/esa_multimedia/images/2016/04/thermal_signature_of_namibian_coastline/15921596-1-eng-GB/Thermal_signature_of_Namibian_coastline_node_full_image_2.jpg)
Thermal Signature of Namibian Coastline
Source: ESA Observing the Earth
Arguably the most comprehensive of all the Copernicus Sentinel missions, Sentinel-3A carries a suite of state-of-the-art instruments to systematically measure the temperature of Earth's oceans, land, ice and atmosphere.
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