Odd radio circles, or ORCs, have puzzled astronomers. But new data from South Africa’s MeerKAT telescope is helping to solve the mystery.
In the coming decades, human beings will, for the first time, have comprehensive maps of the universe, says Roy Maartens, professor and research chair in cosmology at the University of the Western Cape. “If you have surveys [of the skies] from today to, say
Germany has pulled out of the Square Kilometre Array (SKA) Organisation, a blow to the project that plans to build the world’s largest radio telescope. But while insiders lament Germany’s withdrawal, they do not see it as a death knell for the project. With thousands of antennae spread across South Africa and Australia