How has the franchise in the UK changed since the 1970s? I mention this, because the quality of political debate has notably worsened since then. Is it just possible that there might be other factors… (View Post)

Spy satellites are not geostationary: they are typically in low earth orbit and will take a picture of a particular area (on their orbit) every 90 minutes or so. So you don't get real time pictu… (View Post)

Yes. The only spy satellites that have geostationary orbits are either SIGINT satellites or missile warning systems. Bear in mind too, that if you are a long, long way from earth, then maneuvering be… (View Post)

I can help with the last one. And the answer is "not a lot". Tracking a moving carrier group is difficult, because a single satellite will give you a picture of an area every 90 minutes or … (View Post)

I can help with the last one. And the answer is "not a lot". Tracking a moving carrier group is difficult, because a single satellite will give you a picture of an area every 90 minutes or … (View Post)