The accumulation of junk which is damaging to the environment isn't only a problem here on Earth: it's also a problem in space.
The accumulation of junk which is damaging to the environment isn’t only a problem here on Earth: it’s also a problem in space. Every year more and more discarded rocket stages, broken satellites, and other bits of debris are put into orbit around our planet, and not all of them are responsibly de-orbited. The result is that there’s a whole lot of junk floating around in the space where satellites, telescopes, and even the International Space Station orbit.
Typically, large pieces of debris are tracked so that space agencies or other satellite operators know when a piece is coming near to an orbit that is currently in use. This means they can plan out avoidance maneuvers in advance. But when a piece of debris was spotted on 30 June headed toward one of ESA’s Swarm satellites which research the Earth’s magnetic field, the impact was predicted to occur within a few hours.
ESA had to pull out all of the stops to get the satellite clear of the debris’s path, as performing such maneuvers requires a large amount of planning. The operators have to ensure that the satellite’s new orbit won’t put it too close to any other satellites or debris, and they also have to have a plan for how to return the satellite back to its original orbit once the danger has passed.
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