Looking at Ison ,Awesome It is becoming more and more light , - TopicsExpress



          

Looking at Ison ,Awesome It is becoming more and more light , the comet Ison , and prepares to make a spectacle at dawn on Monday, November 18: shortly before 5 oclock in the morning you can see with the naked eye near Spica , the brightest star in the constellation Virgo . The comet most anticipated and discussed the year continues to keep vigilant and to give a first performance before approaching the Sun The comet continues its march towards the Sun, followed by astronomers with the breath on my neck , noted astrophysicist Gianluca Masi , head of the Virtual Telescope and scientific curator of the Planetarium of Rome. After the initial enthusiasm , announced that by Christmas the size of the Moon , the expectations on the comet Ison you are definitely resized since last August . But now something has happened , Masi detect : the telescope Trappist ( transiting Planets and planetesimals Small Telescop ) , located in the Chilean Andes has seen an incredible increase in gas production . This has been generated great optimism . The most likely hypothesis to explain the phenomenon , Masi says , is that the comet would turn toward the sun only one hemisphere , while the other has never been touched by the warmth . Exposure to light and heat the area always remained in the shadows have now generated gas production . Consequently there has been a sudden increase of the brightness , from the magnitude 7 to 4 . Namely - explains Masi - which has become visible to the naked eye as it is the constellation of Andromeda . The scenario is then entirely new Ison now begins to get serious. It keeps us on tenterhooks - says Masi - waiting for his appointment with the Sun . The flyby is scheduled for November 28 and until then it is impossible to make predictions. Only when the comet will emerge from this cosmic turning point , the beginning of December , you will know if Ison is really spectacular comet Christmas that everyone was waiting .ansa.it/web/notizie/specializzati/scienza/2013/11/17/cometa-Ison-visibile-occhio-nudo_9633802.html
Posted on: Wed, 20 Nov 2013 00:52:41 +0000

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