A high-definition look at the launch of Europe's Sentinel-3A satellite

Sentinel-3A prepares for liftoff (4K timelapse) · 4:35 · Video: European Space Agency, ESA · Watch at the source

In short: Witness a 4K timelapse of the Sentinel-3A satellite as it prepares for liftoff. Launched from the Plesetsk Cosmodrome, this mission is a vital component of Europe's Copernicus programme for monitoring the Earth's changing environments.

This video captures the final preparations and liftoff of Sentinel-3A on a Rockot launcher, occurring at 17:57 GMT on 16 February 2016. As the third satellite in the Copernicus environment monitoring programme, Sentinel-3A is part of a two-satellite constellation alongside Sentinel-3B.

By employing sophisticated tools, the mission performs regular observations of the atmosphere, ice, land, and Earth's oceans. The satellite monitors sea ice thickness alongside surface height, colour, and temperature to track pollution, biological productivity, and sea levels. On land, the mission is designed to monitor wildfires, map land use, assess vegetation, and measure the heights of lakes and rivers.

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