![Sharon Backhouse on Twitter: "The world's largest telescope has been closed for 22 days (Gran Telescopio Canarias (GTC): “the ash from the La Palma volcano is "like blades" that could damage the Sharon Backhouse on Twitter: "The world's largest telescope has been closed for 22 days (Gran Telescopio Canarias (GTC): “the ash from the La Palma volcano is "like blades" that could damage the](https://pbs.twimg.com/media/FBzbC6ZWQAM3O-_.jpg)
Sharon Backhouse on Twitter: "The world's largest telescope has been closed for 22 days (Gran Telescopio Canarias (GTC): “the ash from the La Palma volcano is "like blades" that could damage the
![El Gran Telescopio Canarias y el potencial de la ingeniería española | Fundación Consejo España Brasil El Gran Telescopio Canarias y el potencial de la ingeniería española | Fundación Consejo España Brasil](http://www.espanha-brasil.org/gra/img/articulos/2018/06/19/DSC_1387.jpg)
El Gran Telescopio Canarias y el potencial de la ingeniería española | Fundación Consejo España Brasil
El Cielo de Canarias - Gran Telescopio CANARIAS GTC, Observatorio del Roque de los Muchachos, IAC. El mayor telescopio Óptico /infrarrojo del mundo #DanielLopez #elcielodecanarias | Facebook
![The Gran Telescopio Canarias - GranTeCan or GTC, also known as the Great Canary Telescope. La Palma, Canary Islands, Spain Stock Photo - Alamy The Gran Telescopio Canarias - GranTeCan or GTC, also known as the Great Canary Telescope. La Palma, Canary Islands, Spain Stock Photo - Alamy](https://c8.alamy.com/comp/FWRJPH/the-gran-telescopio-canarias-grantecan-or-gtc-also-known-as-the-great-FWRJPH.jpg)
The Gran Telescopio Canarias - GranTeCan or GTC, also known as the Great Canary Telescope. La Palma, Canary Islands, Spain Stock Photo - Alamy
![El Gran Telescopio de Canarias - Revista ¿Cómo ves? - Dirección General de Divulgación de la Ciencia de la UNAM El Gran Telescopio de Canarias - Revista ¿Cómo ves? - Dirección General de Divulgación de la Ciencia de la UNAM](https://www.comoves.unam.mx/assets/revista/65/el-gran-telescopio-de-canarias.jpg)