In an effort to save the ailing Hubble Space Telescope, NASA is turning to a backup computer that has been in storage for seven years.

The $8.8 billion Hubble telescope has been in trouble since September, when one of its three gyroscopes failed. A second gyroscope failed last month. Without at least two functioning gyroscopes, Hubble cannot maintain its orientation in space, meaning it cannot take accurate pictures.

In an attempt to extend the telescope’s life, NASA turned off two of its three science instruments in November.

Now, the agency is hoping to use a backup computer known as the …