Began construction of the largest optical telescope
The European organisation for astronomical research in the southern hemisphere (ESO) announced the beginning of construction of the telescope Extremely Large Telescope (ELT). This telescope will be located in Chile and will be the largest optical telescope in the world.
The diameter of the main mirror ELT is 39 m. the Equipment will be placed under a revolving dome with a diameter of 85 m. Now the builders have started the construction of the main structure and dome.
Giant, which reportedly will open a new phase in astronomical research, should be put into trial operation in 2024. Then will begin the second phase of construction.