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Hubble Timeline

Hubble Timeline




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 (Advanced Camera for Surveys).

Installation of NICMOS Cooling System (NCS).

Installation of new Solar Panels.



Servicing Mission 4.

Installation of WFC3 (Wide Field Camera 3).

Installation of COS (Cosmic Origins Spectrograph).

STIS and ACS repaired.

Gyroscopes and batteries replaced.

Soft Capture Mechanism installed.

NOBLs (New Outer Blanket Layers) installed.


Last Update: 3 November 2020
23-May-2024 21:20 UT

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