sagansense:

Venus Transit 2012: A Fiery CrossingCredit: NASA/SDOOn June 5-6 2012, SDO collected images of the rarest predictable solar event—the transit of Venus across the face of the sun. This event happens in pairs eight years apart which are separated from each other by 105 or 121 years. The last transit was in 2004 and the next will not happen until 2117.

sagansense:

Venus Transit 2012: A Fiery CrossingCredit: NASA/SDOOn June 5-6 2012, SDO collected images of the rarest predictable solar event—the transit of Venus across the face of the sun. This event happens in pairs eight years apart which are separated from each other by 105 or 121 years. The last transit was in 2004 and the next will not happen until 2117.