The planet Venus is seen in transit across the Sun during sunrise in Sofia, Bulgaria on June 6. (Nikolay Doychinov/AFP/Getty Images)
Nikolay Doychinov, 2012
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The planet Venus is seen in transit across the Sun during sunrise in Sofia, Bulgaria on June 6. (Nikolay Doychinov/AFP/Getty Images)

Nikolay Doychinov, 2012

Source