And it’s off! The world’s biggest telescope is being built right now in South Africa and Australia. The SKA facility will tackle the biggest questions in astrophysics when completed in 2028. ⬇️ That's a prototype
The initial architecture of the telescope will incorporate just under 200 parabolic antennas, or "dishes", as well as 131,000 dipole antennas, which look a little like Christmas trees.
This should enable the telescope to detect very faint radio signals coming from cosmic sources billions of light-years from Earth, including those signals emitted in the first few hundred million years after the Big Bang. The telescope should be able to detect hydrogen's presence even before great clouds of it collapsed to form the first stars.The centre of our galaxy imaged by the Meerkat telescope, a South African pathfinder for the SKA
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