The world's largest radio telescopes are being built in South Africa and Australia.
: through radio astronomy, we have a time machine that we can use to see the universe light up during the cosmic dawn. Their huge collecting area will allow the SKA telescopes to produce images with 10-100 times the fidelity of current instruments, detecting objects far fainter and further away than can be seen by existing telescopes.
Why is one telescope in South Africa and the other in Australia? What will the two locations do differently, and will they work together? The SKAO wanted to capitalise on existing investments in both countries and strengthen the global nature of the project. South Africa will host a mid-frequency instrument, scanning the sky for frequencies between 350 MHz and 15.4 GHz, while the SKA-Low telescope in Australia is designed for the 50-350 MHz range. The instruments are intended to complement each other.
This vast data rate will itself be a challenge for scientists, in terms of how to store, process and analyze it. This is the era of '' astronomy, which will see the SKA Observatory archive 710 petabytes of data per year, filling the data storage of about 1.5 million typical laptops by today's standards every year!
With all this data, astronomers can run virtually any radio astronomy experiment they want, but to keep things structured, the SKA Observatory will focus on a handful of
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