Hub ‧ ble Tel ‧ e ‧ scope, the /ˌhʌb ə l ˈteləskəʊp/ BrE AmE
a very powerful ↑ telescope (=a piece of equipment for making distant objects look larger and closer) which is attached to a ↑ satellite in space, going around the Earth, and can see much further into space than telescopes on Earth