Several spacecraft support systems are required to keep Hubble functioning
smoothly in space. These systems are located around the
body of the spacecraft and encompassed by the outer hull.
Solar Arrays (2)
25-foot (7-meter) panels that convert sunlight into 5680 watts
of electricity in order to power the telescope.
Communications Antennae (2)
Transmit Hubble's information to communications satellites
called the Tracking & Data Relay Satellite (TDRS)
System for relay to White Sands, the Space Telescope Operations
Control Center (STOCC) in Greenbelt, Maryland, and the Space Telescope Science Institute (STSci) in Baltimore, Maryland.
Computer Support Systems Modules
Contains devices and systems needed to operate the Hubble
Telescope. Serves as the master control system for communications,
navigation, power management, etc.
Houses much of the electronics including computer equipment
and rechargeable batteries.
Protects Hubble's optics in the same way a camera's lens
cap shields the lens. It closes during servicing missions and in response to certain kinds of "safe mode".
Light passes through this before entering the optics
system. It blocks unwanted external light from entering Hubble.