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BETA PICTORIS PLANETS LIFE OR WHATJARAASTRONOMYThe ultimate question is Is there a possibility that life might exist on a planet in theBeta Pictoris system First one must ask Are there planets in the Beta Pictoris systemHowever that question would be impossible to answer if one did not answer the most basicquestions first Where do planets come from and do the key elements and situationsneeded to form planets exist in the Beta Pictoris systemTo understand where planets come from one has to first look at where the planets in oursolar system came from Does or did our star the sun have a circumstellar disk aroundit the answer is believed to be yesScientists believe that a newly formed star is immediately surrounded by a relativelydense cloud of gas and dust In 1965 A Poveda stated That new stars are likely tobe obscured by this envelope of gas and dust 1 In 1967 Davidson and Harwitagreed with Poveda and then termed this occurrence the cocoon nebula 1Other authors have referred to this occurrence as a placental nebula 1noting that it sustains the growth of planetary bodiesFor a long time even before there was the term cocoon nebula planetary scientists knewthat a cocoon nebula had surrounded the sun long ago in order for our solar system toform and take on their currents motions 1In 1755 a German named Immanuel Kant reasoned that gravity would make circumsolarcloud contract and that rotation would flatten it 1 Thus the cloud would assumethe general shape of a rotating disk explaining the fact that the planets in our solarsystem revolve in a disk-shaped distributionThis idea about the disk-shaped nebula that was formed around the early sun came to beknown as the nebula hypothesis 1 Then in 1796 a French mathematician named Laplaceproposed that the rotating disk continued to cool and contract forming planetary bodies1 Also when investigating the evolution of stars it was proposed that a starforms as a central condensation in an extended
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