>the constant threat of big enough objects showing up on a collision course with earth
I don't really think this is a serious risk. This is a once-in-a-million-years kind of event.
Also, asteroid detection is not seriously affected by satellites. We can easily tell the difference between a moving satellite and a moving asteroid because of their speed.
I don't really think this is a serious risk. This is a once-in-a-million-years kind of event.
Also, asteroid detection is not seriously affected by satellites. We can easily tell the difference between a moving satellite and a moving asteroid because of their speed.