Eight-year-old Alex Olling watches Venus crossing the sun's face in the US state of Maryland on June 5. "Everyone's having a great time," NASA scientist Richard Vondrak said from the Goddard Space ... more 

Eight-year-old Alex Olling watches Venus crossing the sun's face in the US state of Maryland on June 5. "Everyone's having a great time," NASA scientist Richard Vondrak said from the Goddard Space Flight Center in Maryland, where 600 people gathered to observe the fiery planet of love less