The world’s largest radio astronomy observatory, located in remote parts of South Africa and western Australia, will be used to probe cosmic mysteries like dark matter and dark energy.
Catherine Cesarsky, chair of the Square Kilometre Array board of directors, said the observatory has been “many years in the making.”
The facility in Australia will be made up of more than 131,000 tree-shaped antennas each standing about 6.5 feet tall. Together they will be sensitive enough to pick up some of the faintest signals in the universe — low-frequency radio waves between 50 megahertz and 350 megahertz. The South African component will consist of nearly 200 dishes, expanded from the 64-dish MeerKAT telescope that already exists on the site. These will be capable of operating in the mid-frequency range, from 350 megahertz to 15.4 gigahertz.
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