Space satellite returns to Earth’s atmosphere after almost 30 years

A satellite that has been in orbit for nearly 30 years has fallen back down through the Earth’s atmosphere, the European Space Agency (Esa) has said.

The ERS-2 satellite fell in the North Pacific Ocean somewhere between Alaska and Hawaii at around 5.17pm GMT on Wednesday, bringing to an end a nearly three-decade-long orbit.

The satellite was launched in 1995 following on from its sister satellite, ERS-1, which had launched four years earlier.

At the time, they were both the most sophisticated Earth observation satellites ever developed.

In 2011, Esa retired the still-functioning ERS-2 and began the process of deorbiting.

Throughout its working life, ERS-2 collected data on the Earth’s diminishing polar ice, changing land surfaces, rising sea levels, warming oceans, and atmospheric chemistry.

ERS-2 was also called upon to monitor natural disasters, such as severe floods and earthquakes, in remote parts of the world.

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