Browse Archive
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Refined Hubble Constant Narrows in on Dark Energy
Whatever dark energy is, explanations for it have less wiggle room following a Hubble Space Telescope observation.
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NASA's Wide Field and Planetary Camera 2
Throughout history, humanity has been moved by the work of the great artists of their age.
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NASA's Spitzer Telescope Warms Up To New Career
The primary mission of NASA's Spitzer Space Telescope is about to end after more than five-and-a-half years of probing the cosmos with its keen infrared eye.
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Top Five Breakthroughs From Hubble's Workhorse Camera
Here are five things you should know about JPL's Wide Field and Planetary Camera 2, which is the oldest and longest working instrument aboard the Hubble Space Telescope.
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Herschel and Planck Share Ride to Space
Two missions to study the cosmos are scheduled to blast into space May 14 aboard the same rocket from the Guiana Space Center in French Guiana.
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Stellar Shots: JPL's Camera on Hubble
JPL's Wide Field and Planetary Camera 2, which will be returned to Earth as part of the next space shuttle servicing mission, scheduled to launch on May 11, 2009, took some of Hubble's most famous views.
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If Spitzer Could Talk: An Interview with a Telescope
NASA's Spitzer Space Telescope is about to use its last drop of the coolant that has chilled it for the past five-and-a-half years.
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NASA's Fermi Explores High-energy "Space Invaders"
Fermi scientists revealed new details about high-energy particles implicated in a nearby cosmic mystery.
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Dwarf Galaxy Starbursts: A Global Affair
Starbursts light up regions of space for a short time before winking out. But these fleeting stellar fireworks displays are only pieces of the story.
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New Gamma-Ray Burst Smashes Cosmic Distance Record
NASA's Swift satellite and an international team of astronomers have found a gamma-ray burst from a star that died when the universe was only 630 million years old.