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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 Deep Field (HDF)
Hubble Deep Field (HDF)
Release date: January 15, 1996

The Hubble Deep Field allows astronomers to see to the edge of the universe. The HDF observation was designed to detect very faint light from the most...

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HubbleSite press release
Significant Image
Hubble finds an hourglass nebula around a dying star
Hubble finds an hourglass nebula around a dying star
Release date: January 16, 1996

Planetary nebula MyCn18 sheds new light on the poorly understood ejection of stellar matter that accompanies the slow death of Sun-like stars.

OBJECT:...

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HubbleSite press release
Science Discovery
Hubble reveals surface of Pluto for first time
Hubble reveals surface of Pluto for first time
Release date: March 7, 1996

For the first time since Pluto's discovery in 1930, astronomers at last see directly see details on the surface of the solar system's farthest known planet....

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HubbleSite press release
Significant Image
Hubble captures a detailed image of Uranus's atmosphere
Hubble captures a detailed image of Uranus's atmosphere
Release date: April 24, 1996

The Hubble telescope peers deep into Uranus's atmosphere to see clear and hazy layers created by a mixture of gases. Using infrared filters, Hubble captures...

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HubbleSite press release
Historical Context
Mars Global Surveyor is launched
Mars Global Surveyor is launched
November 7, 1996

Mars Global Surveyor was launched to the Red Planet to study the surface features and geological processes; determine the composition, distribution and...

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Mars Global Surveyor mission highlights
Science Discovery
Hubble surveys the "homes" of quasars
Hubble surveys the "homes" of quasars
Release date: November 19, 1996

Dramatic Hubble telescope pictures reveal that quasars live in a remarkable assortment of galaxies, many of which are violently colliding.

OBJECTS: PG...

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HubbleSite press release
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