Astronomers get to ask some of the most fundamental questions there are, ranging from whether we’re alone in the cosmos to what the nature of the mysterious dark energy and dark matter making up most of the universe is.
Now a large group of astronomers from all over the world is building the biggest optical telescope ever – the Extremely Large Telescope (ELT) — in Chile. Once construction is completed in 2028, it could provide answers that transform our knowledge of the universe.
