Rare 'ring of fire' solar eclipse to cast shadow over Africa and Asia

Event will be visible across a narrow band from Congo-Brazzaville to southern China

Skywatchers along a narrow band from west Africa to the Arabian peninsula, India and southern China will witness the most dramatic “ring of fire” solar eclipse in years on Sunday.

Annular eclipses occur when the moon passes between Earth and the sun, but not quite close enough to our planet to completely obscure the sun’s light.

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