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ESA satellite tv for pc returns to Earth – ERS-2 reentry

February 25, 2024
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ESA satellite tv for pc returns to Earth – ERS-2 reentry
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Mission full. ESA’s second European Distant Sensing (ERS-2) satellite tv for pc has reentered Earth’s environment over the North Pacific Ocean. The satellite tv for pc returned at 18:17 CET (17:17 UTC) between Alaska and Hawaii.

ERS-2 was launched virtually 30 years in the past, on 21 April 1995. Along with ERS-1, it offered invaluable long-term knowledge on Earth’s land surfaces, ocean temperatures, ozone layer and polar ice extent that revolutionised our understanding of the Earth system.

ERS-2’s reentry was ‘pure’. ESA used the final of its gas, emptied its batteries and lowered the satellite tv for pc from its altitude of 785 km to 573 km. This lowered the danger of collision with different satellites and area particles. Because of this, it was not potential to manage ERS-2 at any level throughout its reentry and the one pressure driving its descent was unpredictable atmospheric drag.

In addition to leaving a outstanding legacy of knowledge that also proceed to advance science, this excellent mission set the stage for a lot of of at the moment’s satellites and ESA’s place on the forefront of Earth statement.

The ERS-2 reentry is a part of ESA’s wider efforts to make sure the long-term sustainability of area actions. These embody ESA’s Clear Area initiative which promotes the event of recent applied sciences for extra sustainable area missions in collaboration with the broader European area group, in addition to the Zero Particles Method, which can even additional scale back the particles left in each Earth and lunar orbits by future missions.




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