Space is already full of junk: empty rocket stages, flecks of paint, nuts and bolts, toothbrushes dropped by careless astronauts and the like. It can stay aloft for decades. At orbital speeds, even small items can cause damage. The International Space Station (iss) has to dodge bits of junk roughly once a year. In June 2021 debris punched a jagged hole in one of its robotic arms. Ms Harris was announcing an American ban on full-fledged testing of “direct-ascent anti-satellite missiles” ground-launched weapons designed to blow up satellites in orbit. How will this likely to affect space missions ?

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