The reduced atmosphere in the upper atmosphere will increase satellites' risk of collision with space pollution. According to a recent study from the British Antarctic Survey, rising CO2 levels in the Earth's atmosphere will cause a long-term drop in air density at high altitudes. This reduced dens
The reduced atmosphere in the upper atmosphere will increase satellites’ risk of collision with space pollution.
Collisions might result in serious issues if satellites, which cost billions of dollars, are destroyed since society is becoming more and more reliant on satellites for navigation systems, mobile communications, and monitoring Earth., offers the first realistic estimate of climate change in the upper atmosphere over the next 50 years.
Ingrid Cnossen, a NERC independent research fellow at the British Antarctic Survey, used a global model of the whole atmosphere up to 500 km altitude to simulate changes in the upper atmosphere up to 2070. She compared her projections to the last 50 years of data and found that even under a moderate future emissions scenario the predicted average cooling and decline in upper atmosphere density is about twice as strong as has been seen in the past.
She continues, “Space debris is becoming a rapidly growing problem for satellite operators due to the risk of collisions, which the long-term decline in upper atmosphere density is making even worse. I hope this work will help to guide appropriate action to control the space pollution problem and ensure that the upper atmosphere remains a useable resource into the future.”
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