Construction begins on the world’s first super telescope

From Phys.org: Scientists are a step closer to understanding the inner-workings of the universe following the laying of the first stone, and construction starting on the world’s largest optical and infrared telescope. With a main mirror 39 metres in diameter, the Extremely Large Telescope (ELT), is going to be, as its name suggests, enormous. Unlike any other before it, ELT is also designed to be an adaptive telescope and has the ability to correct atmospheric turbulence, taking telescope engineering to another level. To mark the construction’s milestone, a ceremony was held at ESO’s Paranal residencia in northern Chile, close to…