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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
First organic molecule measured on an exoplanet
First organic molecule measured on an exoplanet
Release date: March 19, 2008

Hubble makes the first detection ever of an organic molecule (methane) in the atmosphere of a Jupiter-sized planet orbiting another star. The breakthrough is...

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HubbleSite press release
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Interacting Galaxy Arp 148
Interacting Galaxy Arp 148
Release date: April 24, 2008

Arp 148 is the staggering aftermath of an encounter between two galaxies, resulting in a ring-shaped galaxy and a long-tailed companion. The collision...

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HubbleSite press release
Historical Context
Launch of the Fermi telescope
Launch of the Fermi telescope
June 11, 2008

The Fermi Gamma-ray Space Telescope launches as an international and multi-agency space mission that studies the cosmos in the energy range 10 keV – 300 GeV....

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NASA Fermi Gamma-ray Space Telescope
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SN 1006 supernova remnant
SN 1006 supernova remnant
Release date: July 1, 2008

This delicate ribbon of gas, which floats eerily in our galaxy, is a very thin section of a supernova remnant caused by a stellar explosion that occurred...

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HubbleSite press release
Milestone Release
Hubble completes its 100,000th orbit
Hubble completes its 100,000th orbit
Orbit time: August 11, 2008 – 11:42:05 UTC

In commemoration of NASA's Hubble Space Telescope completing its 100,000th orbit in its 18th year of exploration and discovery, scientists aim Hubble to take...

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HubbleSite press release
Significant Image
NGC 1275
NGC 1275
Release date: August 20, 2008

Fine, thread-like filamentary structures reside in the gas surrounding galaxy NGC 1275. The red filaments are composed of cool gas being suspended by a...

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HubbleSite press release
Historical Context
NASA’s first 50 years
NASA’s first 50 years
October 1, 2008

Over the past 50 years, NASA has achieved a set of spectacular feats, ranging from advancing the well-established field of aeronautics to pioneering the new...

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NASA 50th Anniversary
Science Discovery
Hubble directly observes an exoplanet
Hubble directly observes an exoplanet
Release date: November 13, 2008

Hubble takes the first visible-light snapshot of a planet (Fomalhaut b) orbiting its parent star. The images show the planet, named Fomalhaut b, as a tiny...

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HubbleSite press release
Science Discovery
Hubble finds carbon dioxide on an extrasolar planet
Hubble finds carbon dioxide on an extrasolar planet
Release date: December 9, 2008

NASA's Hubble Space Telescope discovers carbon dioxide in the atmosphere of a planet orbiting another star, an important step along the trail of finding the...

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HubbleSite press release
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