Nestled in the remote plains of San Agustin, New Mexico, the Karl G. Jansky Very Large Array (VLA) offers an awe-inspiring glimpse into the cosmos. This world-renowned astronomical radio observatory, operated by the National Radio Astronomy Observatory (NRAO), is a must-visit destination for science enthusiasts, stargazers, and curious travelers alike.
We recently visited the VLA and really enjoyed our visit. It is truly amazing to see this facility in person. Imagine, these dishes are the very tools astronomers used to discover black holes for the first time. We highly recommend you find a way to visit.
The VLA consists of 27 massive radio antennas, each 82 feet in diameter, 94 feet tall, and weigh 230 tons each. They are arranged in a Y-shaped configuration stretching up to 22 miles across. The dishes travel on a network of railroad tracks that total about 40 miles in total length.
These giant dishes work in unison to create a single, powerful instrument capable of capturing radio waves from distant galaxies, black holes, and exploding stars. The VLA’s contributions to science are immense; it has been instrumental in numerous discoveries, including imaging the first black hole and uncovering details about star formation.
Each dish sends its radio signals back to a main computer building, which houses a super computer that operates at the rate of 16 quadrillion calculations per second. 2700 miles a fiber optic cable connects the dishes to the super computer. The computer operates 24 hours/day
Getting There and What to Expect
Located about 50 miles west of Socorro, the VLA is easily accessible by car. The journey itself is a treat, as the drive through the high desert showcases sweeping vistas and a sense of vastness that perfectly complements the observatory’s mission to explore the universe.
Upon arrival, visitors are greeted by the Visitor Center, which houses an engaging exhibit explaining the science and technology behind the VLA. A short documentary narrated by Jodie Foster, who starred in the movie Contact (filmed partly at the VLA), provides additional context about its role in exploring deep space.
A self-guided walking tour lets visitors explore the grounds and get up close to one of the massive antennas. Informational plaques and displays along the path offer fascinating insights into how the array works. Guided tours, available on select weekends, provide an even deeper dive with behind-the-scenes access.
Why Visit?
The VLA isn’t just for science lovers; it’s a place of wonder and inspiration. The sheer scale of the antennas, juxtaposed against the serene desert landscape, creates a unique experience that stays with you long after your visit.
As the sun sets, the clear New Mexico skies invite stargazing, offering another dimension to your visit. Whether you’re intrigued by the mysteries of the universe or simply looking for a unique adventure, the VLA promises an unforgettable journey into the heart of cosmic discovery.
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