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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.
Significant Image
By popular demand, Hubble observes the Horsehead Nebula
By popular demand, Hubble observes the Horsehead Nebula
Release date: April 24, 2001

The Horsehead Nebula is one of the most photographed objects in the sky. The horsehead is a cold, dark cloud of gas and dust, silhouetted against the bright...

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HubbleSite press release
Significant Image
Warped Edge-On Galaxy ESO 510-G13
Warped Edge-On Galaxy ESO 510-G13
Release date: August 2, 2001

The Hubble telescope has captured an image of an unusual edge-on galaxy, revealing remarkable details of its warped dusty disk and showing how colliding...

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HubbleSite press release
Historical Context
Launch of Genesis Mission
Launch of Genesis Mission
August 8, 2001

Genesis' purpose is to observe the solar wind, entrap its particles and return them to Earth. In its two-year long expedition, the spacecraft traveled 1.5...

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NASA Solar System Exploration: Genesis
Science Discovery
First direct measurement of an exoplanet atmosphere
First direct measurement of an exoplanet atmosphere
Release date: November 27, 2001

Astronomers using Hubble have made the first direct detection of the atmosphere of a planet orbiting a star outside our solar system. The gas-giant planet...

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HubbleSite press release
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