We've Mapped a Million Previously Undiscovered Galaxies Beyond the Milky Way
upstart writes in with an IRC submission for c0lo:
Astronomers have mapped about a million previously undiscovered galaxies beyond the Milky Way, in the most detailed survey of the southern sky ever carried out using radio waves.
The Rapid ASKAP Continuum Survey (or RACS) has placed the CSIRO's Australian SKA Pathfinder radio telescope (ASKAP) firmly on the international astronomy map.
While past surveys have taken years to complete, ASKAP's RACS survey was conducted in less than two weeks - smashing previous records for speed. Data gathered have produced images five times more sensitive and twice as detailed as previous ones.
[...] The CSIRO's RACS survey is an amazing advance made possible by huge leaps in space tech. The ASKAP radio telescope, which became fully operational in February last year, was designed for speed.
[...] Over the next few years, ASKAP is expected to conduct even more sensitive surveys in different wavelength bands.
In the meantime, the RACS survey catalogue is greatly improving our knowledge of the radio sky. It'll continue to be a key resource for researchers around the world.
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