Authored and curated by David P. Stern, this series of three web pages gives information about the usage of the transit of Venus to measure distances in the solar system. The site also contains a large collection of...

The transit of Venus across the disk of the sun is a rare astronomical event that has transfixed astronomers for centuries. June 8, 2004 marked the last occurrence of this event. Due to its extreme rarity (occurring...

The Transit of Venus is similar to a solar eclipse, where -- from the perspective on Earth -- Venus passes in front of the Sun. This event does not happen very often. In fact, no one alive had witnessed this phenomenon...