What does ELT mean?
Extremely Large Telescope
Very Large Telescope, which briefly ELT called some kind of Observatory is a telescope that has a mirror with a diameter of 20 to 100 meters. The telescope reflective light spectrum, visible and. ultraviolet and infrared reflecting make up. Telescope, very large in addition to great functionality, to increase the likelihood of finding planets like Earth around other stars also have planned. The size of the telescope such that during radio wave work; very large is more like a telescope, Radio Observatory of Arecibo.