Tuesday Telescope: Taking a look at the next generation of telescopes

Welcome to the Tuesday Telescope. There is a little too much darkness in this world and not enough light—a little too much pseudoscience and not enough science. We’ll let other publications offer you a daily horoscope. At Ars Technica, we’ll take a different route, finding inspiration from very real images of a universe that is filled with stars and wonder. This week's Tuesday Telescope photo is pretty meta as it features... a telescope. This particular telescope is under construction in the Atacama Desert in northern Chile, one of the darkest places on Earth with excellent atmospheric visibility. The so-called "Extremely Large Telescope" is being built on a mountaintop in the Andes at an elevation of about 3,000 meters. And it really is extremely large. The primary mirror will be 39 meters (128 feet) in diameter. Like, that's gigantic for an optical telescope. It is nearly four times larger than the largest operational reflecting telescopes in the world. The Europeans are in a con ... Read full article.