News tagged with spiral
Magnetic Cactus Experimentally Demonstrates Mathematical Plant Patterns
(PhysOrg.com) -- One of humanity’s earliest mathematical inquiries might have involved the geometric patterns in plants. The arrangement of leaves on a branch, seeds in a sunflower, and spines on a cactus ...
May 20, 2009 |
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Researchers find new form of Mars lava flow
High-resolution photos of lava flows on Mars reveal coiling spiral patterns that resemble snail or nautilus shells. Such patterns have been found in a few locations on Earth, but never before on Mars. The ...
Space & Earth / Space Exploration
Apr 26, 2012 |
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Dark matter packs a punch: Milky Way's spiral arms formed by intergalactic collision
The signature spiral arms of the Milky Way galaxy were likely formed by an epic collision between the Milky Way and the Sagittarius Dwarf galaxy, according to a University of Pittsburgh researcher and his ...
Sep 14, 2011 |
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Chandra finds nearest pair of supermassive black holes
(PhysOrg.com) -- Astronomers have used NASA's Chandra X-ray Observatory to discover the first pair of supermassive black holes in a spiral galaxy similar to the Milky Way. At a distance of 160 million light ...
Aug 31, 2011 |
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Astrophysicists report first simulation to create a Milky Way-like galaxy
(PhysOrg.com) -- After nine months of number-crunching on a powerful supercomputer, a beautiful spiral galaxy matching our own Milky Way emerged from a computer simulation of the physics involved in galaxy ...
Aug 29, 2011 |
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Exotic galaxy reveals tantalizing tale
(PhysOrg.com) -- A galaxy with a combination of characteristics never seen before is giving astronomers a tantalizing peek at processes they believe played key roles in the growth of galaxies and clusters ...
Aug 25, 2011 |
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Study reveals structures of solar wind as it travels toward, impacts Earth (w/ video)
Using data collected by NASA's STEREO spacecraft, researchers at Southwest Research Institute and the National Solar Observatory have developed the first detailed images of solar wind structures as plasma ...
Space & Earth / Space Exploration
Aug 18, 2011 |
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The universe may have been born spinning, according to new findings on the symmetry of the cosmos
(PhysOrg.com) -- Physicists and astronomers have long believed that the universe has mirror symmetry, like a basketball. But recent findings from the University of Michigan suggest that the shape of the Big ...
Jul 08, 2011 |
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A spiral galaxy that resembles our Milky Way
(PhysOrg.com) -- ESO astronomers have used the Wide Field Imager on the MPG/ESO 2.2-metre telescope to capture an image of NGC 6744. This impressive spiral galaxy lies about 30 million light-years away in ...
Jun 01, 2011 |
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Hubble views the star that changed the universe
(PhysOrg.com) -- Though the universe is filled with billions upon billions of stars, the discovery of a single variable star in 1923 altered the course of modern astronomy. And, at least one famous astronomer ...
May 23, 2011 |
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Gas rich galaxies confirm prediction of modified gravity theory
(PhysOrg.com) -- Recent data for gas rich galaxies precisely match predictions of a modified theory of gravity know as MOND according to a new analysis by University of Maryland Astronomy Professor Stacy McGaugh. ...
Feb 23, 2011 |
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Astronomers identify thick disc of older stars in nearby Andromeda galaxy
(PhysOrg.com) -- An international team of astronomers has identified for the first time a thick stellar disc in the Andromeda galaxy, the nearest large spiral galaxy to our own Milky Way.
Feb 15, 2011 |
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Forget Planet X! New technique could pinpoint Galaxy X
(PhysOrg.com) -- Planet X, an often-sought 10th planet, is so far a no-show, but Sukanya Chakrabarti has high hopes for finding what might be called Galaxy X – a dwarf galaxy that she predicts orbits ...
Jan 13, 2011 |
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Strange Martian Spirals Explained
Almost 40 years ago, NASA's Mariner 9 spacecraft relayed to Earth the first video images of Mars' northern polar ice cap, revealing a strange pattern of spiral swirls that has puzzled scientists ever since. ...
Space & Earth / Space Exploration
Jun 16, 2010 |
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VISTA views the Sculptor Galaxy (w/ Video)
(PhysOrg.com) -- A spectacular new image of the Sculptor Galaxy (NGC 253) has been taken with the ESO VISTA telescope at the Paranal Observatory in Chile as part of one of its first major observational campaigns. ...
Jun 16, 2010 |
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