There are currently 35 space-based telescopes in active service with 6 planned to launch in the next 12 months. [0] https://en.wikipedia.org/wiki/List_of_space

There are currently 35 space-based telescopes in active service with 6 planned to launch in the next 12 months. [0] https://en.wikipedia.org/wiki/List_of_space_telescopes https://en.wikipedia.org/wiki/List_of_space_telescopes