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Antony Hewish's historic 4 Acre array is the thicket in the middle of the field between the radio telescopes. In the distance is one of the 7 MERLIN (Multi-Element Radio Linked Interferometer Network ) receivers in the UK directed from Jodrell Bank in Cheshire.
Image is a two-dimensional array of red-green-blue liquid crystal lasers constructed from a single liquid crystal device. This device emits all three colours simultaneously.
The array consists of 27 dishes, 9 on each of 3 tracks radiating from a central point. One of the tracks crosses US route 60, so even when the facility is closed to the public (as it is right now) you can sometimes get a close look at one. Each dish is 25 meters in diameter.
The Very Large Array, in the desert outside New Mexico, is currently studying dark matter. Very dark matter.
Oh, wait, that's only because it was 9:30 PM when I got to the area because I somehow lost 180 miles of road between Petrified Forest and Socorro when I was planning that day of my trip.
There's supposed to be some huge satellite dishes out there. Somewhere.
The Measurements of Aerosols, Radiation, and Clouds over the Southern Ocean (MARCUS) field campaign of 2017 and 2018 used several ARM instruments such as the laser disdrometer (LDIS, right) to capture the variability in aerosol and cloud properties across the Southern Ocean (SO) from spring to autumn. Such measurements help scientists correct uncertainties in simulations of SO clouds, aerosols, precipitation and radiative transfer.
Terms of Use: Our images are freely and publicly available for use with the credit line, “Image courtesy of the U.S. Department of Energy Atmospheric Radiation Measurement (ARM) user facility.”
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