What is light pollution? Light pollution is defined as the introduction of artificial light to an ecosystem (into naturally dark situations), degrading its natural state with the emission of light of different intensities, directions, spectral

Who has stolen the stars? Light pollution has stolen most of the stars from our sky. We cannot see them now properly except in some places. In La Palma for example we can still see

The astronomical viewpoints are accessible places with open views to the sky and that serve to interpret the stars in the open air. In La Palma these places have explanatory panels and car parks. There

The William Herschel Telescope (WHT) is the second largest telescope of Roque de Los Muchachos in La Palma. With a primary mirror of 4.2 m in diameter it is also the second largest telescope in

The Gran Telescopio de Canarias on the island of La Palma is currently the largest optical-infrared telescope in the world and one of the most advanced. The primary mirror consists of 36 hexagonal segments of