Your browser or your browser's settings are not supported. To get the best experience possible, please download a compatible browser. If you know your browser is up to date, you should check to ensure that javascript is enabled.
› Learn How
This image from NASA's Solar Dynamics Observatory shows Venus as it nears the disk of the sun on June 5, 2012. Venus's 2012 transit will be the last such event until 2117. Credit: NASA/SDO, AIA