... Venus Transit at Sunrise . ... While some watched by webcast, sky gazers in Europe, the Middle East, Africa, and Asia were able to witness the complete 6 hour journey of Venus' silhouetted disk across the face of the Sun. A Planet Transits the Sun . ... Mammatus Clouds Over Mexico . ... When do cloud bottoms appear like bubbles? ... An artist's dramatic vision, the picture shows the Sun suspended above the nearby horizon as a bright star immersed in the dusty ecliptic plane. ...