|Astronauts Steven L. Smith, and John M. Grunsfeld, appear as small figures in this wide scene photographed during extravehicular activity (EVA). On this space walk they are replacing gyroscopes, contained in rate sensor units (RSU), inside the Hubble Space Telescope. A wide expanse of waters, partially covered by clouds, provides the backdrop for the photograph. (Photo credit: Wikipedia)|
National Geographic: Hubbles Amazing Universe
Responsible for unlocking many mysteries of the final frontier, the most renowned telescope in the world is in danger of being lost forever. The Hubble Space Telescope has explored the creation of stars and planets, the glory of supernovas and the formation of super massive black holes, charted dark matter and changed forever our understanding of reality itself. Now, it's spiraling toward the Earth, and astronauts are embarking on a dangerous mission to fix it.
In Hubble's Amazing Universe, glimpse the far ends of the universe as seen through the amazing Hubble Space Telescope, and meet one of the astronauts risking everything to save it.