Lewis Trainer

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Italian Archaeologists Find Pluto's Gate to Hell

Italian archaeologists, led by Francesco D'Andria from the University of Salento, believe they have found Pluto's Gate in southwestern Turkey.</i> …

Even Stephen Hawking makes mistakes – he's wrong about the Israel boycott

I followed the news of Professor Stephen Hawking's decision to decline an invitation as an honored speaker at the conference hosted by Israeli …

APOD: Kepler's Supernova Remnant in X-Rays (2013 May 15) Image Credit: X-ray: NASA/CXC/NCSU/M. Burkey et al; Optical: DSS http://apod.nasa.gov/apod/ap130515.html Explanation: What caused this mess? Some type of star exploded to create the unusually shaped nebula known as Kepler's supernova remnant, but which type? Light from the stellar explosion that created this energized cosmic cloud was first seen on planet Earth in October 1604, a mere four hundred years ago. The supernova produced a bright new star in early 17th century skies within the constellation Ophiuchus. It was studied by astronomer Johannes Kepler and his contemporaries, without the benefit of a telescope, as they searched for an explanation of the heavenly apparition. Armed with a modern understanding of stellar evolution, early 21st century astronomers continue to explore the expanding debris cloud, but can now use orbiting space telescopes to survey Kepler's supernova remnant (SNR) across the spectrum. Recent X-ray data and images of Kepler's supernova remnant taken by the orbiting Chandra X-ray Observatory has shown relative elemental abundances typical of a Type Ia supernova, and further indicated that the progenitor was a white dwarf star that exploded when it accreted too much material from a companion Red Giant star and went over Chandrasekhar's limit. About 13,000 light years away, Kepler's supernova represents the most recent stellar explosion seen to occur within our Milky Way galaxy. http://chandra.harvard.edu/photo/2013/kepler/ Starship Asterisk* • APOD Discussion Page http://asterisk.apod.com/discuss_apod.php?date=130515 Starship Asterisk* • On This Day in APOD http://asterisk.apod.com/view_retro.php?date=0515

EA announces Star Wars-focused DICE Los Angeles studio

EA has announced a new LA-based branch of Battlefield developer DICE that will focus on creating Star Wars games.<p>The studio is open to continuing …

Nobody knows which was the first app to be downloaded from Apple's iPhone App Store on 11 July 2008 - but the total is expected to pass 50 billion on Wednesday. http://gu.com/p/3fpcf Photograph: Isopix/Rex Features