1. A helicopter flies past as the planet Venus makes its transit across the sun over Tijuana, Mexico.
2. The planet Venus begins its transit across the Sun. The last transit was in 2004 and the next will not happen until 2117.
3. Venus moves to pass across the sun, in this image captured by Japan’s Hinode satellite.
4. Nasa’s Solar Dynamics Observatory satellite captures an ultra-high definition image of the Transit of Venus across the face of the sun.