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The Hubble's History

Year Event

Photo

1977

American congress approves funding for Hubble.

1981

Space Telescope Science Institute (STScI) begins operations in Baltimore, Maryland.

1984

Space Telescope-European Coordinating Facility (ST-ECF) begins operations in Garching, Munich

1990

Launch: Shuttle Discovery (STS-31) launched on 24 April 1990.

Hubble deployed on April 25, 1990.

 

Spherical aberration discovered in the Hubble primary mirror, 25 June, 1990.

 

COSTAR approved: The creation of a complex package of five optical mirror pairs to rectify the spherical aberration in Hubble's primary mirror.

1993 First Servicing Mission (STS-61) launched on 2 December, 1993 (Endeavour).COSTAR corrective optics installed, replacing HSP (High Speed Photometer)

WFPC2 (Wide Field and Planetary Camera 2) replaced WFPC1 (Wide Field and Planetary Camera 1).

1997

Servicing Mission 2 (STS-82) launched on 11 February, 1997 (Discovery).

STIS (Space Telescope Imaging Spectrograph) replaced FOS (Faint Object Spectrograph).

NICMOS (Near Infrared Camera and Multi-Object Spectrograph) replaced GHRS (Goddard High Resolution Spectrograph).

1998

HST Orbital Systems Test (HOST - STS-95) launched on 29 October, 1998 (Discovery). The HOST mission was flown to test new technologies to be used in Hubble on the Third Servicing mission and beyond.

1999

Servicing Mission 3A (STS-103) launched on 19 December, 1999 (Discovery).

Replacement of gyroscopes.

General maintenance (no science instruments replaced)

2002

Servicing Mission 3B.

Installation of ACS.

Installation of NICMOS Cooling System (NCS).

Installation of new Solar Panels.

2006-2008

Servicing Mission 4? Robotic?

Installation of WFC3 (Wide Field Camera 3)?

Installation of COS (Cosmic Origins Spectrograph)?

Battery maintenance?

Gyro maintenance?

2008-2012

End of Hubble operations. Controlled de-orbit.