The Venus transit of 2012 on June 5 and 6 is one of the rarest skywatching events. See tips on how to see Venus cross the face of the sun for the last time until 2117 in this SPACE.com infographic.
The Venus transit of 2012 on June 5 and 6 is one of the rarest skywatching events. See tips on how to see Venus cross the face of the sun for the last time until 2117 in this SPACE.com infographic.