资讯

There are a lot of satellites, and a lot of trash, around our planet — and the quantities are only going to get higher.
There are roughly 1.1 million debris fragments larger than 0.04 inches and about 40,500 fragments larger than 4 inches in orbit according to the ESA. NASA states that debris can reach speeds of 18,000 ...
We've deployed so many satellites into space over the last few decades that we now have a massive orbital junk problem. The ...
A new space environment report from the ESA shows that Earth's space junk problem got significantly worse throughout 2024.
"Our behavior with greenhouse gases here on Earth over the past 100 years is having an effect on how we operate satellites over the next 100 years." ...
The approximately eight-minute-long film "Space Debris: Is it a Crisis?" attempts to answer its conjecture with supportive statistics and orbital projections ... things in Earth orbit tend ...
The problem of debris in Earth orbit is getting worse. According to the European Space Agency's (ESA) annual Space ...
As a result, far fewer satellites will be able to safely operate in near-Earth space ... into the problem and estimated the ...
Environmental activists often say that humans have left an indelible mark on the planet we occupy and evidence of our existence will remain long after we’re gone. However, there is a growing problem ...
Scientists say defunct satellites and spent rocket stages returning to Earth, from the thousands launched every year, can be ...
That problem will only ... on impact with other debris. Eventually, the ESA hopes to solidify a concept called "orbital capacity," which dictates how full low Earth orbit, medium Earth orbit ...