A spectacular "ring of fire" solar eclipse Sunday will regale skygazers in South America and southern Africa, with seafarers in the nearby Atlantic getting a front-row view too, astronomers say. The eclipse -- during which the Sun will all but disappear as the Moon crosses its path -- will be most visible in a 100-kilometre (62-mile) band cutting through Chile, Argentina, Angola, Zambia and the Democratic Republic of Congo.



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