Robert Lea is a science journalist in the U.K. whose articles have been published in Physics World, New Scientist, Astronomy Magazine, All About Space, Newsweek and ZME Science. He also writes about science communication for Elsevier and the European Journal of Physics. Rob holds a bachelor of science degree in physics and astronomy from the U.K.’s Open University. Follow him on Twitter @sciencef1rst.
A coalition of space experts is urging governments across the globe and space sector operators to adopt a new set of guidelines that are aimed at tackling the risk of space junk.lays out best practices for the sustainability of space operations in light of a burgeoning number of satellites being launched into space.
. The report added that as humanity's exploration of space grows, this figure could dramatically increase. estimate that there are currently 36,500 objects in Earth orbit more than 4 inches in diameter. Additionally, ESA estimated there are a further 130 million objects between 1 millimeter and 1 centimeter wide in orbit around the planet.
In low Earth orbit, these pieces of space junk move at around 17,500 mph — about 10 times faster than a bullet fired from a handgun. The main risk this space junk poses is to satellites in orbit. Collisions can break away pieces of satellites and fracture larger debris pieces, potentially generating even more space junk and thus increasing the risk of further collisions. and debris in space have demonstrated how quickly a dangerous situation could arise for astronauts.
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