Also, often times science instruments do sit on those satellites, they just aren't as cool as Hubble. I worked on a satellite that was outward facing above a N

Also, often times science instruments do sit on those satellites, they just aren't as cool as Hubble. I worked on a satellite that was outward facing above a Navy satellite. We wouldn't have got in space w/o the military subsidy, and I think it'll take society a long time to pay off that debt/slough off the infrastructure, but we're starting to make progress.