NASA says there are millions of tiny pieces of space debris in orbit above Earth.
According to NASA, orbital debris are any man-made object in orbit around the Earth that no longer serve a useful function. Debris can include non-functional spacecraft, abandoned launch vehicle stages, and other mission-related space junk.
Worryingly, there are estimated to be many millions of tiny debris pieces in low-Earth orbit, and tens of thousands larger than a a softball, the space agency said. Fortunately, there have been surprisingly few collisions. In an attempt to overcome the inaccuracies inherent in laser-ranging techniques, the Chinese team used so-called neural networks to improve the effectiveness of their telescope system.Neural networks are computing systems which are inspired by biological networks in the brain. They can learn to become better at tasks without being given a specific set of rules to follow—what's known as a"machine learning.
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