It was the largest telescope in the world at the time.
It was the world's largest telescope until the early 20th century.
It was the largest telescope in the world for 45 years.
The large telescope was a major success despite being completed in September.
It is the largest telescope in the world devoted to the general public.
Two of its members are invisible in our largest telescopes.
It was one of the largest active telescopes in Europe.
This topic required a larger telescope than those available to him.
From here even the largest telescope would fail to pick it up.
It is one of the largest optical telescopes in the world.