Is a Massive Hidden Planet At the Edge of the Oort Cloud Hurtling Comets Towards Earth? & 9 new articles: We don't know what caused the bubbles and arcs in NGC 2359, but the main culprit is the massive Wolf-Rayet star in the center of one of the bubbles - visible slightly below and to the right of the center.... |
Our sun may have a stealth companion that disturbs comets from the edge of the solar system — a giant planet with up to four times the mass of Jupiter, researchers suggest. A NASA space telescope launched last year may... |
NASA's Stardust-NExT mission transmitted the first image it took during its approach to comet Tempel 1 at 8:35 p.m. PST (11:35 p.m. EST) on Feb. 14, 2011, from a distance of approximately 2,462 kilometers (1,530 miles). Mission controllers at NASA's... |
A superwind, such as the one in stunning spiral galaxy NGC 3079 originates in the center of the galaxy, either from activity generated by a central supermassive black hole, or by a burst of supernova activity. Superwinds are thought to... |
Cornell University professor of earth and atmospheric sciences, Charles Greene, one of the authors of "A Very Inconvenient Truth," has said that he and his co-authors conclude that the United Nation's Intergovernmental Panel on Climate Change assessment report underestimates the... |
Come on Watson! We're rooting for you...The Watson IBM supercomputer finished the first round of the TV show “Jeopardy!” on Monday night tied with one of his human competitors and $3,000 ahead of the other. Did you all just see... |
Quora, one of the Web's hot new communities, is a continually improving collection of questions and answers created, edited, and organized by everyone who uses it. The most important thing is to have each question page become the best possible... |
Pundits say that mankind's last great invention will be the first robot with AI that exceeds human intellect. Vernor Vinge, Hugo Award-winning author of A Fire Upon the Deep and Rainbows End, as well as the essay "The Coming Technological... |
Mirroring "Deep Thought," the galactic supercomputer in the Hitchhiker's Guide to the Galaxy, IBM's supercomputer Deep Blue defeated chess world champion Gary Kasparoff in 1997 in what was dubbed “the most spectacular chess event in history.” Tonight, IBM supercomputer "Watson"... |
A heart-shaped feature in the Arabia Terra region of Mars is show on the left, with additional context on the right, in excerpts of an image taken by the Context Camera on NASA's Mars Reconnaissance Orbiter. Image Credit: NASA/JPL-Caltech/MSSS Provided by The Daily Galaxy  |
miércoles, 16 de febrero de 2011
Is a Massive Hidden Planet At the Edge of the Oort Cloud Hurtling Comets Towards Earth? & 9 new articles
