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Satellites as those used for Starlink’s Internet service According to a NASA-funded study, when devorbited can exhaust the ozone layer of the earth Published in Geophysical Research Letters in June. 2024.
When Starlink’s satellites reached the end of their lives, they burn in the Earth’s atmosphere and the aluminum oxide lags behind small particles. This absorbs the harmful ultraviolet radiation, it falls on the ozone layer. Researchers at the University of South California have determined that these oxides have increased eightfold from 2016 to 2022.
All of them are not created by Starkle – the Internet provider did not launch its first satellites until May 2019 – but there is the biggest fleet. About 10,000 active objects in low ground orbit refers to more than 7,750 starlink According to the information Jonathan collected by McDowell, an astrophysic that follows the satellite. The company currently has a permission to start more than 12,000 satellites and is 42,000 planned in the future. According to Space.com.
These satellites are designed to last about five years. The 550-pound satellite will release 66 pounds of aluminum oxide nanoparticles during repetition. Starlink’s satellites grew more heavier with the latest version weighing about 2760 pounds.
Aluminum will mainly be released between 30 and 50 miles above the ground surface, but then it will be dragged to the ozone layer that will take about 30 years. We already see this effect – the burning satellites in 2022 caused an increase in aluminum by 29.5% in the atmosphere of natural levels – but researchers said it would only worsen.
“This is a concern for the beginning of a large number of satellites, which began in the future,” Yusuf Wang, one of the authors of Jeywah, told CNET. “We predicted something over a year of an annual excess of 640% of the natural level. We are very concerned based on this projection.”
The researchers said that unlike other substances, aluminum oxide particles are not consumed in this process. They continue to damage the ozone layer until it comes down to low alternatives to the extent to 30 years.
If you are in love, there are StarLink scales, more than 8,000 satellites can burn each year. Researchers applied the forecasting model to increase the number of growing satellites in the sky and revealed that the amount of aluminum could grow up to 360 metric tons or more than 640% of natural levels.
Starlink caused the exponential growth of satellites in the sky
Perhaps what is most concerned about this new research is still unchanged areas. “Ecological effects are currently understood from the reconstruction of the satellites,” research.
Starlink has launched satellites in four years, it is considered 40% of all satellites sometimes It was initiated and this plans his fleet to seven times. Starlink’s main opponent, Amazon’s project Kuiper plans to launch 3,232 satellites in the coming years.
An article published in the wild, 100,000 satellites in the sky are not only possible, but not quite possible. “This is due to private companies such as Spacex, Amazon and OneWeb, which offers satellites to provide almost completely high speed internet.
According to EPA, Excess UV radiation can cause reduced productivity and violations in skin cancer, cataract and weakened immune systems, as well as the offshore food chain.
“As the reentral rates increase, it is very important to explore the concerns highlighted in this study,” they say.
Starlink did not meet CNET’s request for comment.
