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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.
Science Discovery
Supermassive black holes are common in galaxies
Supermassive black holes are common in galaxies
Release date: January 13, 1997

Astronomers suggest that nearly all galaxies may harbor super-massive black holes that once powered quasars (extremely luminous objects in the centers of...

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HubbleSite press release
Mission Event
Second Servicing Mission (STS-82)
Second Servicing Mission (STS-82)
February 11-21, 1997

Astronauts aboard the space shuttle Discovery install two technologically advanced instruments. The Near Infrared Camera and Multi-Object Spectrometer...

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NASA Space Shuttle Discovery Mission STS-82: Hubble Servicing Mission 2
Science Discovery
Hubble records a black hole's signature
Hubble records a black hole's signature
Release date: May 12, 1997

The observation demonstrates a direct connection between a supermassive black hole and activity in the nucleus of an active galaxy. If no black hole were...

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HubbleSite press release
Significant Image
Hubble sees the visible afterglow from supernova observations
Hubble sees the visible afterglow from supernova observations
Release date: May 12, 1997

These pictures from the Hubble telescope's imaging spectrograph provide a new and unprecedented look at one of the most unique and complex structures in the...

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HubbleSite press release
Historical Context
Mars Pathfinder lands on the Red Planet
Mars Pathfinder lands on the Red Planet
July 4, 1997

The Mars Pathfinder mission, along with its Sojourner rover, lands on Mars. Mars Pathfinder was designed to be a demonstration of the technology necessary to...

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NASA Missions: Mars Pathfinder
Science Discovery
Hubble tracks the fading optical counterpart of a gamma-ray burst
Hubble tracks the fading optical counterpart of a gamma-ray burst
Release date: September 16, 1997

Hubble observes the visible afterglow of a gamma-ray burst in a distant galaxy.

OBJECT: GRB 970228

CREDIT: Andrew Fruchter (STScI), Elena Pian...

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HubbleSIte press release
Science Discovery
Hubble identifies exotic populations of stars in globular clusters
Hubble identifies exotic populations of stars in globular clusters
Release date: October 29, 1997

With the help of Hubble, astronomers now have evidence that may eventually solve the mystery of how blue straggler stars—hot, bright, young stars...

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HubbleSite press release
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