Astrophysics
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Orion's dark secret: Violence shaped the night sky - space - 23 November 2009 - New ScientistContinue reading page | 1 | 2 | 3 WHERE will astronomers stop in their love affair with the enigmatic substance called dark matter ? First we were told it was essential to allow a galaxy to spin without falling apart. Then it was the glue that held clusters of galaxies together. Later it ...
kdan
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5 days ago
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Mystery 'dark flow' extends towards edge of universe - space - 16 November 2009 - New ScientistSOMETHING big is out there beyond the visible edge of our universe. That's the conclusion of the largest analysis to date of over 1000 galaxy clusters streaming in one direction at blistering speeds. Some researchers say this so-called "dark flow" is a sign that other universes nestle next door . ...
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11 days ago
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Gamma-ray photon race ends in dead heat; Einstein wins this roundRacing across the universe for the last 7.3 billion years, two gamma-ray photons arrived at NASA's orbiting Fermi Gamma-ray Space Telescope within nine-tenths of a second of one another. The dead-heat finish may stoke the fires of debate among physicists over Einstein's special theory of ...
Calvin Smith
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3 weeks ago
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World's fastest supercomputer models the unseen universe | DVICEIt's hard to tell what the universe looks like, especially since it takes billions of years for the light from most of it to reach us. It's even more difficult to visualize the 70% of the matter in the universe that's invisible. That's why scientists bring out the heavy iron, IBM Roadrunner, ...
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3 weeks ago
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SPACE.com -- 3,000 Images Combine for Stunning Milky Way Portrait3,000 Images Combine for Stunning Milky Way Portrait A new panoramic image of the full night sky — with the Milky Way as its centerpiece — has been made by piecing together 3,000 individual photographs. The panorama's creator, Axel Mellinger of Central Michigan University, spent 22 months ...
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3 weeks ago
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APOD: 2009 October 25 -M1: The Crab Nebula from HubbleAstronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2009 October 25 M1: The Crab Nebula from Hubble Credit: NASA , ESA , J. Hester, A. Loll ( ...
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4 weeks ago
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Mystery Space "Ribbon" Found at Solar System's EdgeMystery Space "Ribbon" Found at Solar System's Edge October 15, 2009 Stevie Wonder may have been on to something when he sang about a ribbon in the sky . In a discovery that took astronomers by surprise, the first full-sky map of the solar system 's edge—more than 9 billion miles (15 ...
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Erasing Dark Energy § SEEDMAGAZINE.COMErasing Dark Energy Wide Angle / by Veronique Greenwood / September 24, 2009 Why do we need dark energy to explain the observable universe? Two mathematicians propose an alternate solution that, while beautiful, may raise even more questions than it answers.
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6 weeks ago
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New Limits on Gravitational Waves From the Big Bang | Universe TodayAugust 19th, 2009 New Limits on Gravitational Waves From the Big Bang The only way to know what the Universe was like at the moment of the Big Bang requires analysis of gravitational waves created when the Universe began. Scientists working with the Laser Interferometer ...
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2 months ago
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Invading black holes explain cosmic flashesBlack holes are invading stars, providing a radical explanation to bright flashes in the universe that are one of the biggest mysteries in astronomy today. The flashes, known as gamma ray bursts, are beams of high energy radiation - similar to the radiation emitted by explosions of nuclear ...
Calvin Smith
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2 months ago