# extremely large telescope

> astronomical observatory featuring an optical telescope with an aperture of more than 20 m diameter

**Wikidata**: [Q2665569](https://www.wikidata.org/wiki/Q2665569)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Extremely_large_telescope)  
**Source**: https://4ort.xyz/entity/extremely-large-telescope-q2665569


## References

1. Freebase Data Dumps. 2013
2. BabelNet