The 10 biggest telescopes on Earth

The biggest telescopes in the world are often the most successful at making new space discoveries, due to their ability to collect more light and delve into the universe’s history from impressive distances.

Despite space observatories such as the Hubble Space Telescope (HST) and James Webb Space Telescope (JWST) being closer to the action, ground-based telescopes can achieve greater dimensions and are far less restricted by weight. When telescopes on Earth are built in a good location, with wide sky views, they can focus on a range of specific areas or events — unlike space telescopes which need to be in the right place at the right time.

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