physics Archive
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Northern Lights: Coming to a Sky Near You?
Posted on January 13, 2012 | No CommentsThe aurora is a stunning celestial event associated with EarthтАЩs polar regions. Recently Ireland has been witness to this beautiful phenomenon. If you are standing looking up at the […] -
Our Place in the Expanding Universe
Posted on October 20, 2011 | 1 CommentOur galaxy, the Milky Way, is just one of an enormous number of galaxies spread throughout a vast Universe, which is expanding.Everyone knows these facts now, but how do we […] -
Light from the End of the Dark Ages
Posted on October 13, 2011 | 2 CommentsA long, long time ago when the first stars and galaxies were forming, the Universe was filled with electrically neutral hydrogen. This thin soup of gas absorbed ultraviolet light and […] -
Are Neutrinos Faster Than Light?
Posted on September 26, 2011 | 12 CommentsNeutrinos travel faster than light! The science world is agog at this unexpected announcement from CERN€а in Switzerland. This result has to be verified, for if true it seems that […] -
Vulcan: the Solar System’s Ghost Planet
Posted on July 19, 2011 | 4 CommentsWe have been celebrating the first Neptunian year since the discovery of the eighth (and as far as we know last) planet in the Solar System. NeptuneтАЩs discovery was a […] -
Timespace: The Who, What and When
Posted on May 27, 2011 | 1 CommentTime is among the most mysterious of fundamental quantities. Time was originally defined and quantified through astronomy, and today astronomers are used to glibly talking of vast stretches of time. […] -
The Science of Green Lantern
Posted on May 9, 2011 | 9 CommentsGreen Lantern has for decades guarded Earth and beyond from evil in the pages of comic books but the cosmic superhero is about to face his greatest challenge: can he […]