In this tightly cropped image the NASA space shuttle Atlantis and the Hubble Space Telescope are seen in silhouette, side by side during solar transit at 12:17p.m. EDT, Wednesday, May 13, 2009, from west of Vero Beach, Florida. The two spaceships were at an altitude of 600 km and they zipped across the sun in only 0.8 seconds. Photo Credit: (NASA/Thierry Legault)

by Nancy Atkinson on May 15, 2009

In this tightly cropped image the NASA space shuttle Atlantis and the Hubble Space Telescope are seen in silhouette, side by side during solar transit at 12:17p.m. EDT, Wednesday, May 13, 2009, from west of Vero Beach, Florida. The two spaceships were at an altitude of 600 km and they zipped across the sun in only 0.8 seconds. Photo Credit: (NASA/Thierry Legault)

Nancy Atkinson is Universe Today's Senior Editor. She also is the host of the NASA Lunar Science Institute podcast and works with the Astronomy Cast and 365 Days of Astronomy podcasts. Nancy is also a NASA/JPL Solar System Ambassador.