A cloud left by Space Shuttle Discovery hovers over Pad 39-A at Kennedy Space Center April 5, 2010, in Cape Canaveral. Discovery is scheduled for a supply mission to the International Space Station.
Exhaust and smoke from the space shuttle Discovery swirls over the Kennedy Space Center after Discovery launched from launch pad 39A on a mission to the International Space Station in Cape Canaveral, Fla., Monday, April 5, 2010
