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In Pictures: Fabulous space photos from NASA’s Hub...
From hubblesite.org we get a picture of how Hubble works: A quartet of antennae on the telescope sends and receives information between Hubble and the Flight Operations Team at the Goddard Space Flight Center in Greenbelt, Md. Engineers use satellites to communicate with the telescope, giving it directions and commands. The telescope has two main computers and a number of smaller systems. One of the main computers handles the commands that point the telescope and other system-wide functions. The other talks to the instruments, receives their data, and sends it to satellites that in turn transmit it to the ground. Once the ground station transfers the data to Goddard, Goddard sends it to the Space Telescope Science Institute. Hubble sends the archive enough information...
In Pictures: Fabulous space photos from NASA’s Hubble telescope