
'On 6 June, an event that takes place only four times every two centuries will enthral the world's astronomers, as it has ever since the 1600s - But it is one of the rarest sights in astronomy, an event known as a transit of Venus.'
www.guardian.co.uk/science/2012/mar/25/venus-transit-sun

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Tue 1 May 2012, 23:03,
archived)
www.guardian.co.uk/science/2012/mar/25/venus-transit-sun
