A “ring of fireplace” sun eclipse was once noticed from Easter Island, Chile and Buenos, Argentina on 2 October.Sun eclipses occur when the Moon casts a shadow on Earth and in a complete eclipse, the entire disc of the Solar is blocked.An annular sun eclipse differs as a result of one of the Solar will nonetheless be visual as a impressive ring with the centre blocked out by way of the Moon.The cause of this ring – referred to as the “ring of fireplace” – is since the Moon occurs to be at its furthest level from Earth, referred to as the apogee, and subsequently seems reasonably smaller within the sky.