Aliens could ‘invade’ our solar system using tiny robots and we might not even notice
An illustration of the solar system (Image: Nasa) Here on Earth, you know a country has been conquered when loads of tanks, attacks helicopters and burly great soldiers roll into town. But aliens could ‘invade’ our solar system using tiny ‘micro-robots’ which astronomers would probably fail to spot unless they knew exactly what to look …
Aliens could ‘invade’ our solar system using tiny robots and we might not even notice Read More »