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A chronology of the Hubble Space Telescope Illustrates the mission's history from conception through its 25 years of ground-breaking observations and discoveries.
Milestone Release
Hubble's new improved optics probe the core of a distant galaxy
Hubble's new improved optics probe the core of a distant galaxy
Release date: January 13, 1994

A comparison image of the core of the galaxy M100 shows the dramatic improvement in Hubble's view of the universe. The new image (right) was taken with the...

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HubbleSite press release
Mission Event
NASA's Great Observatories program
NASA's Great Observatories program
1994

NASA and Congress commit funding for four astronomical satellites—the Hubble Space Telescope (HST), the Compton Gamma Ray Observatory (CGRO), the...

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About the program (NASA)
Science Discovery
Definitive confirmation of the existence of supermassive black holes
Definitive confirmation of the existence of supermassive black holes
Release date: May 25, 1994

Hubble observation of M87 provides conclusive evidence for the existence of supermassive black holes in the hubs of galaxies.

OBJECT: M87, NGC...

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HubbleSite press release
Milestone Release
Comet Shoemaker-Levy impact with Jupiter
Comet Shoemaker-Levy impact with Jupiter
Impact period: July 16-22, 1994

Hubble provides a detailed view of Comet P/Shoemaker-Levy 9's collision with Jupiter. The comet broke up during a close passage by Jupiter in July of...

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HubbleSite press release
Historical Context
Magellan's mission to Venus ends
Magellan's mission to Venus ends
October 12, 1994

The spacecraft, after collecting radar images of 98 percent of the planet's surface, makes a dramatic conclusion to its highly successful mission. It is...

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NASA Science Missions: Magellan
Significant Image
Hubble observes a new Saturn storm
Hubble observes a new Saturn storm
Release date: December 21, 1994

This Hubble telescope picture of Saturn captures a rare storm that appears as a white arrowhead-shaped feature near the planet's equator.

OBJECT:...

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HubbleSite press release
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