While planning our trip, Lizzie and I realized that we would have an awkward amount of extra time between our visits to the Superconducting Super Collider and Los Alamos. Though the drive from east Texas to New Mexico is formidable enough to require a night’s stay along the way, it has such high speed limits and so few turns that the miles tick by more quickly than just about anywhere else in the country. But since the July 4th weekend meant that we had to be at Los Alamos by the 2nd – unless they’re in the middle of a particularly intensive run, physicists get the same holiday weekends as the rest of us – there was only about a half-day to spare.
This wasn’t enough time to accommodate our original idea of camping at White Sands and driving by the Trinity Test Site (which is closed to the public all but two days a year anyway). But it turned out to be just the right amount of time to visit the accurately if unimaginatively named Very Large Array (VLA), located about 50 miles west of Socorro, New Mexico.
Nestled on a vast, mountain-ringed, 7000-foot plateau in the central New Mexican desert, the VLA is safe from the interfering radio waves of just about anything that doesn’t come from space. Though it is comprised of 27 separate dishes, the observatory operates as a unified whole: by interferometrically combining the data from each dish, the array can simulate the results of a single radio telescope up to 22 miles wide.