In June of 2012, one of the rarest predictable astronomical phenomena took place: Venus passed directly in front of the Sun, as seen from Earth. For more information, visit transitofvenus.org. As part of the Lab, Camera, Action! series, Dr Andrew Steele explores the science behind one of the rarest predictable astronomical phenomena of 2012: the Transit of Venus. Venus transit 2004 images courtesy of Dan Kiselman, Institute for Solar Physics and the Royal Swedish Academy of Sciences Planet textures courtesy of NASA, JPL/Caltech. Videography by Tom Fuller and Andrew Steele.