‘This feels fragile’: how a satellite-smashing chain reaction could spiral out of control

Today, the space around Earth can no longer be considered empty. More than 30,000 objects are in orbit, and that figure is rising exponentially Some reports suggest that by the end of this decade there could more than 60,000 active satellites in space. Launch by launch, what began with a handful of scientific and military spacecraft has accelerated into a constant flow of objects, publicly and privately owned, placed into different orbital lanes, each serving a variety of purposes. There is n...

By Frederick O'Brien, Ashley Kirk and Oliver Holmes