![]() The satellite was one of several that recorded drops in emissions around the world during the coronavirus outbreak in 2020. (980 kg), according to an informational website for the Copernicus program. ![]() Sentinel-5P is 4.6 ft (1.4 m) long and weighs 2,160 lbs. In the meantime, the agency launched the Sentinel-5P satellite, a precursor to track global air pollution and make detailed maps of air quality around the world every 24 hours, in 2017 using a Russian Rockot launch vehicle from the Plesetsk Cosmodrome. ![]() Sentinel-4 and Sentinel-5 are upcoming missions that will monitor atmospheric composition, but neither has launched yet, according to ESA. Over the years, the mission has captured important data about hurricanes in the Atlantic Ocean as well as wildfires in Siberia and the aerosols they produced. The Sentinel-3 satellites are each 12.8 ft (3.9 m) long and weigh 2,535 lbs. Like Sentinels 1 and 2, the Sentinel-3 probes are in polar orbits, and monitor a variety of Earth processes, including sea surface height, sea ice temperatures, ocean surface wind speeds, atmospheric aerosols, vegetation on land, and snow and ice coverage on land, according to the Copernicus program. The Sentinel-3A and Sentinel-3B satellites launched to orbit in 20, both using the Russian Rockot rocket from the Plesetsk Cosmodrome in northern Russia. And both Sentinel-1 and Sentinel-2 satellites have been used to watch enormous icebergs break off from Antarctica. In 2018, Sentinel-2A captured a glimpse of a rare snowfall in the northwest part of the Sahara Desert during a winter storm, where some areas were covered in up to 15 inches (40 centimeters) of snow. Related: Vega rocket launches Europe's newest Earth 'Sentinel' satellite The two satellites orbit from pole to pole, separated by 180 degrees along their orbital path, which allows the pair to maximize their coverage of Earth Each satellite captures high-resolution images of our planet, helping officials monitor the world's forests, changes in agricultural cover and other land-based activities.īoth Sentinel-2 craft are about 11.2 ft (3.4 m) long and weigh 2,513 lbs. Sentinel-2A and Sentinel-2B are twin satellites that launched in 20, respectively, atop Vega rockets from Europe's spaceport near Kourou, French Guiana. Sentinel-1A was hit by a millimeter-size particle - perhaps a piece of space debris - in 2016 that caused a sudden small power reduction, though the satellite continued to operate normally afterwards.Įach Sentinel-1A satellite is about 11.2 feet (3.4 meters) long and weighs around 5,070 lbs. Both satellites rode a Russian Soyuz rocket to orbit from Europe's spaceport in French Guiana during their launches. Sentinel-1A launched in 2014, followed by Sentinel-1B in 2016. ![]() The two satellites orbit on opposite sides of the Earth, covering the entire planet every 12 days, according to the agency. This mission consists of two satellites, Sentinel-1A and Sentinel-1B, both of which orbit from pole to pole around the Earth taking radar images of our planet day and night and during all kinds of weather, according to ESA. Here we take a look at each of the Sentinel missions individually. The program cost €3.24 billion ($3.83 billion) between 20, according to ESA. It provides extremely precise measurements of sea level rise across the globe.ĭata from Copernicus is provided freely to scientists all over the world. The most recent Sentinel, Sentinel-6A, was launched in 2020.
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