Hubble, Spitzer, Chandra, XMM Newton, Planck, NuSTAR
All space telescopes are unmanned - unless you want to count the small telescopes on the Shuttle or IIS as space telescopes.
An observatory is the name of a place that uses telescopes and other scientific equipment to study space and astronomy. The Mount Polamar Observitory in the west of the US is an iconic example. Today, Earth based observitories are supplimented by space telescopes.
It is an observatory.
NASA?
hubble space station
Observatory
An observatory.
An observatory.
they use space probes,satellites,and of coarse,telescopes.
An observatory.
light telescopes and radio telescopes whether installed on earth or on space vehicles
Radio signals are sent from Earth, to operate the telescopes.