Drowning in data sets? Here’s how to cut them down to size
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Illustration: The Project Twins
Within the next decade, a pair of giant radio telescopes in South Africa and Australia will be able to generate about 700 petabytes of data each year, the equivalent of about 149 million DVDs, a stack nearly 180 kilometres high.
The telescopes are part of the Square Kilometre Array Observatory (SKAO), which will include more than 100,000 Christmas-tree-like wire antennas in Australia and some 200 dishes in South Africa when it is completed in 2029. These telescopes will pick up radio signals from celestial objects, and their developers hope that they will shed light on some of astronomy’s long-standing questions, such as what dark matter is and how galaxies form.
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