Support WBURLook Up, Stargazers: June 5 Is The Transit Of VenusPlay06:00Download AudioNPR StaffJune 03, 2012 ShareThe Transit Of Venus: The planet Venus appears as a tiny black dot as it transits across the face of the sun on June 8, 2004. The rare astronomical event will take place again on June 5, 2012. (Getty Images)
