One of the highlights of NASA's Solar Dynamics Observatory (SDO) during its third year in space: observations of Venus' transit across the sun. This image was taken just as Venus was leaving the disk of the sun at 12:15 a.m. ET on June 6, 2012.
February 28, 2013 4:17 PM PST
Photo by: NASA/SDO/HMI
| Caption by: James Martin
Conversation powered by Livefyre