News tagged with observers
Simulations unravel mysteries of 2009 Jupiter impact
(PhysOrg.com) -- During July of 1994, both amateur and professional astronomers were captivated as comet Shoemaker/Levy 9 broke apart and slammed into the atmosphere of Jupiter. While these types of impacts ...
Space & Earth / Space Exploration
Mar 30, 2012 |
4.4 / 5 (14) |
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Repulsive gravity as an alternative to dark energy (Part 1: In voids)
(PhysOrg.com) -- When scientists discovered in 1998 that the Universe is expanding at an accelerating rate, the possibility that dark energy could explain the observation was intriguing. But because there ...
Jan 31, 2012 |
4.6 / 5 (49) |
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Four reasons why the quantum vacuum may explain dark matter
(PhysOrg.com) -- Earlier this year, PhysOrg reported on a new idea that suggested that gravitational charges in the quantum vacuum could provide an alternative to dark matter. The idea rests on the hypothesis that particles ...
Nov 28, 2011 |
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Galaxy sized twist in time pulls violating particles back into line
(PhysOrg.com) -- University of Warwick physicist has produced a galaxy sized solution which explains one of the outstanding puzzles of particle physics, while leaving the door open to the related conundrum ...
Jul 14, 2011 |
4.8 / 5 (39) |
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Physicists investigate lower dimensions of the universe
(PhysOrg.com) -- Several speculative theories in physics involve extra dimensions beyond our well-known four (which are broken down into three dimensions of space and one of time). Some theories have suggested 5, 10, 26, ...
Mar 18, 2011 |
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First direct observation of oriented attachment in nanocrystal growth
Berkeley Lab researchers have reported the first direct observation of nanoparticles undergoing oriented attachment, the critical step in biomineralization and the growth of nanocrystals. A better understanding ...
May 24, 2012 |
4.7 / 5 (3) |
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The older we get, the less we know (cosmologically)
(Phys.org) -- The universe is a marvelously complex place, filled with galaxies and larger-scale structures that have evolved over its 13.7-billion-year history. Those began as small perturbations of matter ...
May 22, 2012 |
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Physicists demonstrate quantum plasmons in atomic-scale nanoparticles
Addressing a half-century-old question, engineers at Stanford have conclusively determined how collective electron oscillations, called plasmons, behave in individual metal particles as small as just a few nanometers in diameter. ...
Mar 21, 2012 |
4.5 / 5 (17) |
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How to rediscover life on Earth by looking at the Moon
(PhysOrg.com) -- By observing the Moon using ESO's Very Large Telescope, astronomers have found evidence of life in the universe -- on Earth. Finding life on our home planet may sound like a trivial observation, ...
Feb 29, 2012 |
4.1 / 5 (11) |
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Scientists chart high-precision map of Milky Way's magnetic fields
(PhysOrg.com) -- Scientists at the Naval Research Laboratory (NRL) are part of an international team that has pooled their radio observations into a database, producing the highest precision map to date of ...
Feb 03, 2012 |
4.6 / 5 (11) |
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A spider web's strength lies in more than its silk
While researchers have long known of the incredible strength of spider silk, the robust nature of the tiny filaments cannot alone explain how webs survive multiple tears and winds that exceed hurricane strength.
Technology / Computer Sciences
Feb 01, 2012 |
4.7 / 5 (11) |
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cb(3P): New particle at the Large Hadron Collider discovered by ATLAS experiment
(PhysOrg.com) -- Researchers from the University of Birmingham and Lancaster University, analysing data taken by the ATLAS experiment, have been at the centre of what is believed to be the first clear observation of a new ...
Dec 22, 2011 |
4.4 / 5 (32) |
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Telescopes help solve ancient supernova mystery
(PhysOrg.com) -- A mystery that began nearly 2,000 years ago, when Chinese astronomers witnessed what would turn out to be an exploding star in the sky, has been solved. New infrared observations from NASA's ...
Oct 24, 2011 |
4.4 / 5 (11) |
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Blue stragglers: Astronomers discover how mysterious stars stay so young
(PhysOrg.com) -- Mysterious "blue stragglers" are old stars that appear younger than they should be: they burn hot and blue. Several theories have attempted to explain why they don't show their age, but, until ...
Oct 19, 2011 |
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Dark matter mystery deepens
(PhysOrg.com) -- Like all galaxies, our Milky Way is home to a strange substance called dark matter. Dark matter is invisible, betraying its presence only through its gravitational pull. Without dark matter ...
Oct 17, 2011 |
4.7 / 5 (22) |
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