The Hubble telescope entered space in 1990 with six gyroscopes for aiming and maintaining its stability. The United States used the space shuttle to perform the last maintenance of the Hubble telescope in 2009, and the astronauts replaced six new gyroscopes for the Hubble telescope. In general, the Hubble telescope has three gyroscopes that operate normally to maintain accurate observations, but even if only one gyroscope is in operation, the Hubble telescope will still work.
- North Seeker
- Gyro Sensor
- Accelerometer
- IMU
- INS
- AHRS
- Positioning & Orientation System
- Logging Tools/Gyro Tools
- Inertial Geodetic Survey System
- Gyrocompass
- Gyro Theodolite
- Inertial Testing Device
- GNSS Antenna
- GNSS Module
- GNSS Board
- Satellite Receiver
- Satellite Handheld Device
- Satellite Signal Simulator
- Anti UAV Defence System
- Electrical Motor
- Pressure Sensors
- Tilt Sensor
- Digital Compass
- Acceleration Sensor
- Tilt Switch
- Angle Sensor
- Digital Display Tilt Sensor
- Power Supply
- Robot Joint Reducer
- Industrial Intelligentization System
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