Gran Telescopio Canarias (GTC), also known as GRANTECAN. | Instituto de Astrofísica de Canarias • IAC
![The Gran Telescopio CANARIAS GTC, Roque de los Muchachos Observatory, La Palma, Canary Islands, Stock Photo, Picture And Rights Managed Image. Pic. B20-1736331 | agefotostock The Gran Telescopio CANARIAS GTC, Roque de los Muchachos Observatory, La Palma, Canary Islands, Stock Photo, Picture And Rights Managed Image. Pic. B20-1736331 | agefotostock](https://previews.agefotostock.com/previewimage/medibigoff/9671e8d067e0045935328c14a1d0cf9d/b20-1736331.jpg)
The Gran Telescopio CANARIAS GTC, Roque de los Muchachos Observatory, La Palma, Canary Islands, Stock Photo, Picture And Rights Managed Image. Pic. B20-1736331 | agefotostock
![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
![The Gran Telescopio CANARIAS (GTC) at the Observatorio del Roque de Los Muchachos, La Palma, Canary Islands, Spain Stock Photo - Alamy The Gran Telescopio CANARIAS (GTC) at the Observatorio del Roque de Los Muchachos, La Palma, Canary Islands, Spain Stock Photo - Alamy](https://c8.alamy.com/comp/EAJ5YJ/the-gran-telescopio-canarias-gtc-at-the-observatorio-del-roque-de-EAJ5YJ.jpg)
The Gran Telescopio CANARIAS (GTC) at the Observatorio del Roque de Los Muchachos, La Palma, Canary Islands, Spain Stock Photo - Alamy
![The Gran Telescopio Canarias is participating in a programme to monitor potentially dangerous asteroids | Instituto de Astrofísica de Canarias • IAC The Gran Telescopio Canarias is participating in a programme to monitor potentially dangerous asteroids | Instituto de Astrofísica de Canarias • IAC](https://www.iac.es/sites/default/files/images/news/GTCSunset_DanielLopez.jpg)
The Gran Telescopio Canarias is participating in a programme to monitor potentially dangerous asteroids | Instituto de Astrofísica de Canarias • IAC
![Osiris Instrument, The Gran Telescopio CANARIAS GTC, Roque de los Muchachos Observatory, La Palma, Stock Photo, Picture And Rights Managed Image. Pic. B20-1736266 | agefotostock Osiris Instrument, The Gran Telescopio CANARIAS GTC, Roque de los Muchachos Observatory, La Palma, Stock Photo, Picture And Rights Managed Image. Pic. B20-1736266 | agefotostock](https://previews.agefotostock.com/previewimage/medibigoff/e7048512c6fcecbb256742bca9a059ef/b20-1736266.jpg)
Osiris Instrument, The Gran Telescopio CANARIAS GTC, Roque de los Muchachos Observatory, La Palma, Stock Photo, Picture And Rights Managed Image. Pic. B20-1736266 | agefotostock
![August 2018, Spain, La Palma: The Gran Telescopio Canarias (GTC) on the Roque de Los Muchachos. With a diameter of 10.4 meters, it has been the largest optical infrared mirror telescope in August 2018, Spain, La Palma: The Gran Telescopio Canarias (GTC) on the Roque de Los Muchachos. With a diameter of 10.4 meters, it has been the largest optical infrared mirror telescope in](https://c8.alamy.com/comp/PJAGKG/august-2018-spain-la-palma-the-gran-telescopio-canarias-gtc-on-the-roque-de-los-muchachos-with-a-diameter-of-104-meters-it-has-been-the-largest-optical-infrared-mirror-telescope-in-the-world-since-2007-astro-tourism-is-becoming-more-and-more-popular-on-the-canary-island-photo-carola-frentzendpa-PJAGKG.jpg)
August 2018, Spain, La Palma: The Gran Telescopio Canarias (GTC) on the Roque de Los Muchachos. With a diameter of 10.4 meters, it has been the largest optical infrared mirror telescope in
![The Gran Telescopio CANARIAS GTC, Roque de los Muchachos Observatory, La Palma, Canary Islands, Stock Photo, Picture And Rights Managed Image. Pic. B20-1736363 | agefotostock The Gran Telescopio CANARIAS GTC, Roque de los Muchachos Observatory, La Palma, Canary Islands, Stock Photo, Picture And Rights Managed Image. Pic. B20-1736363 | agefotostock](https://previews.agefotostock.com/previewimage/medibigoff/92a70eafe717822ba2ea4301ce5c6a02/b20-1736363.jpg)
The Gran Telescopio CANARIAS GTC, Roque de los Muchachos Observatory, La Palma, Canary Islands, Stock Photo, Picture And Rights Managed Image. Pic. B20-1736363 | agefotostock
![Gran Telescopio Canarias European Northern Obseratory,Grand Telescope,La Palma,Canary Islands,Spain,GTC telescope Stock Photo - Alamy Gran Telescopio Canarias European Northern Obseratory,Grand Telescope,La Palma,Canary Islands,Spain,GTC telescope Stock Photo - Alamy](https://c8.alamy.com/comp/B8X6R9/gran-telescopio-canarias-european-northern-obseratorygrand-telescopela-B8X6R9.jpg)
Gran Telescopio Canarias European Northern Obseratory,Grand Telescope,La Palma,Canary Islands,Spain,GTC telescope Stock Photo - Alamy
![The Gran Telescopio CANARIAS GTC, Roque de los Muchachos Observatory, La Palma, Canary Islands, Spain The Gran Telescopio Stock Photo - Alamy The Gran Telescopio CANARIAS GTC, Roque de los Muchachos Observatory, La Palma, Canary Islands, Spain The Gran Telescopio Stock Photo - Alamy](https://c8.alamy.com/comp/DC5RRC/the-gran-telescopio-canarias-gtc-roque-de-los-muchachos-observatory-DC5RRC.jpg)
The Gran Telescopio CANARIAS GTC, Roque de los Muchachos Observatory, La Palma, Canary Islands, Spain The Gran Telescopio Stock Photo - Alamy
![The Gran Telescopio CANARIAS GTC, Roque de los Muchachos Observatory, La Palma, Canary Islands, Spain The Gran Telescopio CANARIAS GTC is a 10,4 met... - SuperStock The Gran Telescopio CANARIAS GTC, Roque de los Muchachos Observatory, La Palma, Canary Islands, Spain The Gran Telescopio CANARIAS GTC is a 10,4 met... - SuperStock](https://cdn.superstock.com/1566/Comp/1566-1038213.webp)
The Gran Telescopio CANARIAS GTC, Roque de los Muchachos Observatory, La Palma, Canary Islands, Spain The Gran Telescopio CANARIAS GTC is a 10,4 met... - SuperStock
![The Gran Telescopio Canarias discovers the largest cluster of galaxies known in the early universe | Instituto de Astrofísica de Canarias • IAC The Gran Telescopio Canarias discovers the largest cluster of galaxies known in the early universe | Instituto de Astrofísica de Canarias • IAC](https://www.iac.es/sites/default/files/images/inline-images/GTC%20puesta%201.jpg)