A ring of fire at the ROOF OF THE WORLD
Have you ever seen a ‘ring of fire’? It’s a colloquial term for an annular solar eclipse, an event that sees the Moon temporarily block out most (but not all) of the Sun’s disc. They’re normally not particularly rare – the last one occurred on Boxing Day in 2019 – but this summer’s annular solar eclipse is extra special. For on Sunday 21 June, those standing under a narrow ‘path of annularity’ across Africa, the Middle East and Asia may glimpse phenomena not usually seen during such an event.
The solar corona is the Sun’s hotter outer atmosphere, and generally speaking it’s hidden from view by the brightness of the Sun’s disc. It occasionally becomes visible to the naked eye during a total solar eclipse, when the Moon fits perfectly
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