Cassini Sees Ocean-Like Spray on Enceladus
NASA’s Cassini spacecraft has discovered the best evidence yet for a large-scale saltwater reservoir beneath the icy crust of Saturn’s moon Enceladus. The data came from…
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Spitzer Telescope Sees Crystal ‘Rain’ in the Outer Clouds of an Infant Star
Tiny crystals of a green mineral called olivine are falling down like rain on a burgeoning star, according to observations from NASA’s Spitzer Space Telescope. NASA’s…
Read the articleDark Energy Found to Be Repulsive in Nature by NASA Galaxy Explorer
A five-year survey of 200,000 galaxies, stretching back seven billion years in cosmic time, has led to one of the best independent confirmations that dark energy…
Read the articleGalaxy Evolution Explorer Identifies Planet-Hunting Targets
Astronomers have come up with a new way of identifying close, faint stars with NASA’s Galaxy Evolution Explorer satellite. The technique should help in the hunt…
Read the articleCassini Probe Spots Seasonal Rains Transforming Titan’s Surface
NASA’s Cassini spacecraft chronicles the change of seasons as it captures clouds concentrated near the equator of Saturn’s largest moon, Titan. Image credit: NASA/JPL/SSI As spring…
Read the articleNASA Dawn Mission Gets Vesta Target Practice
There is an old chestnut about a pedestrian who once asked a virtuoso violinist near Carnegie Hall how to get to the famed concert venue. The…
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NASA Releases Images of the Crater Left by Deep Impactor on Comet Tempel 1 in 2005
NASA’s Stardust spacecraft returned new images of a comet showing a scar resulting from the 2005 Deep Impact mission. The images also showed the comet has…
Read the articleNASA’s Stardust Spacecraft Completes Comet Flyby
Mission controllers at NASA’s Jet Propulsion Laboratory, Pasadena, Calif., watched as data downlinked from the Stardust spacecraft indicated it completed its closest approach with comet Tempel…
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New View of Family Life in the North American Nebula
Stars at all stages of development, from dusty little tots to young adults, are on display in a new image from NASA’s Spitzer Space Telescope. This…
Read the articleNASA Telescopes Help Identify Most Distant Galaxy Cluster
Astronomers have discovered a massive cluster of young galaxies forming in the distant universe. The growing galactic metropolis, named COSMOS-AzTEC3, is the most distant known massive…
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