The European Extremely Large Telescope (E-ELT), which will feature a primary mirror 128 feet wide, has been greenlit for construction in Chile, officials with the European Southern Observatory announced Thursday (Dec. 4).
The European Extremely Large Telescope (E-ELT), which will feature a primary mirror 128 feet wide, has been greenlit for construction in Chile, officials with the European Southern Observatory announced Thursday (Dec. 4).