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Star Discovered Racing Around Black Hole at Center of Our Galaxy: Crucial to Revealing Fabric of Space and Time
October 4, 2012 — Astronomers report the discovery of a remarkable star that orbits the enormous black hole at the center of our Milky Way galaxy in a blistering 11-and-a-half years, the shortest known orbit of any ... > full story -
The Helix Nebula: Bigger in Death Than Life
October 4, 2012 — A dying star is refusing to go quietly into the night, as seen in a combined infrared and ultraviolet view from NASA's Spitzer Space Telescope and the Galaxy Evolution Explorer (GALEX), which NASA ... > full story -
NASA's Curiosity Rover Checks in on Mars Using Foursquare
October 4, 2012 — NASA's Curiosity Mars rover checked in on Mars Wednesday using the mobile application Foursquare. This marks the first check-in on another planet. Users on Foursquare can keep up with Curiosity as ... > full story -
NASA's Infrared Observatory Measures Expansion of Universe
October 3, 2012 — Astronomers using NASA's Spitzer Space Telescope have announced the most precise measurement yet of the Hubble constant, or the rate at which our universe is stretching ... > full story -
Surprising Black Hole Discovery Changes Picture of Globular Star Clusters
October 3, 2012 — An unexpected discovery is forcing scientists to rethink their understanding of the environment in globular star clusters, tight-knit collections containing hundreds of thousands of stars. The ... > full storyMore: -
Case of Missing Quasar Gas Clouds Now Solved
October 2, 2012 — The case of the missing quasar gas clouds has been solved. A new article describes 19 distant quasars whose giant clouds of gas seem to have disappeared in just a few ... > full story -
NASA Building a Better Solid Rocket Booster for Space Launch System Rocket
October 2, 2012 — The largest and most powerful solid rocket booster ever built for flight is being assembled for NASA's Space Launch System at ATK Space Systems in Brigham City, Utah, incorporating new cost-savings ... > full story -
The Science Behind Those Eye-Popping Northern Lights
October 2, 2012 — Stormy weather on the sun drives the glistening aurorae in our clear night ... > full story -
Hubble Portrays a Dusty Spiral Galaxy
September 30, 2012 — The NASA/ESA Hubble Space Telescope has provided another outstanding image of a nearby galaxy -- NGC 4183, seen with a beautiful backdrop of distant galaxies and nearby stars. Located about 55 ... > full story -
Sun Unleashes a Wide, but Benign, Coronal Mass Ejection
September 29, 2012 — The sun erupted with a wide, Earth-directed coronal mass ejection on Sept. 27, 2012 at 10:25 p.m. ... > full story
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