Is it time to form space police?
Do international guidelines on what countries can and can’t do in space need to be tightened up? Last week, the US navy destroyed an out-of-control spy satellite, raising concerns over the testing of anti-satellite technology by its military. The move follows the Chinese government’s annihilation of a defunct satellite last year, which left a cloud of orbiting debris that will pose a threat to spacecraft and astronauts for decades. Though the US action to destroy its satellite did not break existing rules covering such events, the guidelines need to be strengthened,