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ll telescopes have optical systems, and some even have specialized instruments. Hubble has additional requirements because it operates in space the telescope is actually "flown" as a spacecraft. Therefore, several spacecraft support systems are in place to keep Hubble functioning smoothly in space. These systems girdle the body of the telescope. |
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Much
like a robot or computer in space, Hubble performs only in response
to detailed instructions from the people on the ground. Hubble has communications
antennae so that astronomers and technicians can communicate with the
telescope telling it what to do and when to do it. Four antennae
send and receive information between the telescope and the Flight Operations
Team at Goddard Space Flight Center in Greenbelt, Md.
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