The Sky at Night · SEASON 11

Lord Rosse's Great Telescope

Episode 8 · 1967-07-21

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Season 11Episode 8★ N/A/10
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Episode overview

From 1845 until 1917 the biggest telescope in the world was the 72-inch reflector built and operated by Lord Rosse at his Irish home. Patrick Moore visits Birr Castle in County Offaly, Eire, to discuss with the present Lord Rosse his great - grandfather's remarkable achievement in constructing the huge telescope, and his use of it to establish the spiral nature of galaxies.

Season 11 episodes