![]() After you check in at the gift shop, you will tour the visitors center where you will learn more about radio telescopes before heading out for the walking tour. ![]() The Very Large Array offers a self-guided walking tour to the public which starts at the Visitor Center. It has made more discoveries than any other telescope on Earth. The radio waves allow astronomers to better understand dust clouds, galaxies, planets, stars, black holes, and more. The purpose of the Very Large Array is to observe the universe 24 hours a day gathering invisible light using radio wave technology. Almost 30 years later in 2012 the Very Large Array had old wiring replaced with almost 3,000 miles of fiber optics and was transformed by a new suite of receivers and a supercomputer. By January 1981 all 27 antennas were complete. Then in 1975, the very first Very Large Array antenna was assembled on site. In 1972, Congress authorized the project and two years later site work began. The idea for the Very Large Array began in the 1960s which would create a very large array of radio antennas that would work together to function as one giant telescope.
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