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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.
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Hubble revisits the iconic 'Pillars of Creation'
Hubble revisits the iconic 'Pillars of Creation'
Release date: January 5, 2015

The pillars are bathed in the blistering ultraviolet light from a grouping of young, massive stars located off the top of the image. Streamers of gas can be...

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HubbleSite press release
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Panoramic view of the Andromeda Galaxy
Panoramic view of the Andromeda Galaxy
Release date: January 5, 2015

The largest NASA Hubble Space Telescope image ever assembled, this 61,000-light-year-long section of the Andromeda galaxy (M31) is the sharpest large...

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HubbleSite press release
Science Discovery
The Milky Way's core drives wind at 2 million miles per hour
The Milky Way's core drives wind at 2 million miles per hour
Release date: January 5, 2015

Hubble probes the light from a distant quasar to analyze the so-called Fermi Bubbles, two lobes of material being blown out of the core of our Milky Way...

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HubbleSite press release
Science Discovery
Our Sun came late to the Milky Way's star-birth party
Our Sun came late to the Milky Way's star-birth party
Release date: April 9, 2015

Our Sun missed the stellar "baby boom" that erupted in our young Milky Way galaxy 10 billion years ago. During that time the Milky Way was churning out stars...

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HubbleSite press release
Milestone Release
Hubble celebrates a quarter-century of discovery
Hubble celebrates a quarter-century of discovery
April 24, 2015

Since the Hubble mission began in 1990 the telescope has made more than 1.2 million observations. Hubble has traveled more than 3 billion miles along a...

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Hubble's 25th anniversary website
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NASA unveils Westerlund 2 as the official Hubble 25th anniversary image
NASA unveils Westerlund 2 as the official Hubble 25th anniversary image
Release date: April 23, 2015

Westerlund 2 is a giant cluster of about 3,000 stars residing inside a vibrant stellar breeding ground located 20,000 light-years away in the constellation...

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HubbleSite press release
Historical Context
New Horizons Closest Approach to Pluto
New Horizons Closest Approach to Pluto
7:49:57 a.m. EDT, July 14, 2015

Since its launch on January 19, 2006, New Horizons has traveled over 3 billion miles to reach its closest approach to Pluto. On July 14, Pluto zoomed by...

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NASA Mission: New Horizons
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