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Post numbers: |
119 |
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Famous Supernovae Still Echo Across the Milky Way
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In 1572, the Danish astronomer Tycho Brahe observed and studied the explosion of a star that became known as Tycho's supernova. More than four centuries later, Chandra's X-ray photograph of the supernova remnant shows an expanding bubble of multimillion degree debris (green and red) inside a more rapidly moving shell of extremely high energy electrons (filamentary blue). Astronomers have detected a light echo from this supernova, meaning they can see the light from the explosion itself 400 years later. |
[ Monday 02nd June 2008 ]
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Spitzer Spies Monster Galaxy Pileup
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Four galaxies are slamming into each other and kicking up billions of stars in one of the largest cosmic smash-ups ever observed.
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[ Tuesday 07th August 2007 ]
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Planets Go 'Splat' on Stars
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Debris spots found on stars reveal planets that went splat like bugs on a windshield.
The result: metal smears on the surface of parent stars, said European Southern Observatory astronomer Luca Pasquini, who offered up another analogy:
"It is a little bit like a tiramisu or a cappuccino," Pasquini said. "There is cocoa powder only on the top."
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[ Tuesday 17th July 2007 ]
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Black holes don't exist, Case physicists report
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Case researchers may have solved information loss paradox to find black holes do not form.Nothing there," is what Case Western Reserve University physicists concluded about black holes after spending a year working on complex formulas to calculate the formation of new black holes. In nearly 13 printed pages with a host of calculations, the research may solve the information loss paradox that has perplexed physicists for the past 40 years.
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[ Monday 09th July 2007 ]
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What Happened Before the Big Bang?
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New discoveries about another universe whose collapse appears to have given birth to the one we live in today will be announced in the early on-line edition of the journal Nature Physics on 1 July 2007 and will be published in the August 2007 issue of the journal's print edition.
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[ Monday 02nd July 2007 ]
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The Pulse of Life: Music of Our World and Beyond
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As the deep, rich drone of a didgeridoo continued to emanate from a portable CD player, American composer Andrew Kaiser wrapped up his argument for the role of music in interstellar communication. Speaking at a recent workshop in Paris, Kaiser echoed the sentiments of others at the meeting, stressing the fruitful interplay of art and science in constructing interstellar messages. |
[ Tuesday 26th June 2007 ]
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Computer Code: An Interstellar Language?
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If some day we decide to transmit intentional messages to the stars, rather than solely listen as current SETI programs do, what would we say? What sort of first impression would we want to give our celestial correspondents? |
[ Tuesday 26th June 2007 ]
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Harnessing the Power of the Sun
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Science, even by reputable practitioners, proceeds in fits, starts, and frequent excursions down blind alleys. |
[ Sunday 24th June 2007 ]
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