Photo: Currently, the world's largest solar telescope is the McMath-Pierce Solar Telescope, with a diameter of 1.6 metres in Kitt Peak National Observatory at Arizona in the US.
From Space Daily:
India is inching closer towards building the world's largest solar telescope in Ladakh on the foothills of the Himalayas that aims to study the sun's microscopic structure.
The National Large Solar Telescope (NLST) project has gathered momentum with a global tender floated for technical and financial bidding by the Bangalore-based Indian Institute of Astrophysics (IIA).
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