ScienceCasts: The 2016 Transit of Mercury (updated)
Channel: ScienceAtNASA
Date: 2016-05-05

Visit http://science.nasa.gov/ for more.

On May 9th, Mercury will move across the face of the sun, offering a rare viewing opportunity for professional astronomers and backyard sky watchers alike.

2016 Mercury Transit: http://mercurytransit.gsfc.nasa.gov
Solar Dynamics Observatory: http://sdo.gsfc.nasa.gov/