European Extremely Large Telescope

How will this record-breaking observatory hunt for Earth-like planets?

Since its invention over 400 years ago the humble telescope has come on leaps and bounds. In the early-20th century astronomers relied on old single or twin-mirror methods to produce images of distant galaxies and stars, but as the size of telescopes increased the quality of imagery reduced. It wasn’t until the arrival of the Keck Observatories in Hawaii in the Eighties and Nineties, using 36 smaller mirror segments stitched together like a honeycomb, that telescopes were really able to view distant corners of the universe in stunning detail. This segmented design provides the basis for how the next generation of super-powerful telescopes will work, such as the European Extremely Large Telescope (E-ELT), which is being built by the European Southern Observatory. What makes the E-ELT stand out from the crowd…

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How It Works Book of Space (Digital) - 1 Issue, How It Works Book Of Space 8th Edition

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