国际英语资讯:Unexpected matter found in hostile black hole winds
<p><span word="LOS">LOS</span> <span word="ANGELES">ANGELES</span>, <span word="Jan">Jan</span>. 31-- <span word="The">The</span> <span word="existence">existence</span> <span word="of">of</span> <span word="large">large</span> <span word="numbers">numbers</span> <span word="of">of</span> <span word="molecules">molecules</span> <span word="in">in</span> <span word="winds">winds</span> <span word="powered">powered</span> <span word="by">by</span> <span word="supermassive">supermassive</span> <span word="black">black</span> <span word="holes">holes</span> <span word="at">at</span> <span word="the">the</span> <span word="centers">centers</span> <span word="of">of</span> <span word="galaxies">galaxies</span> <span word="has">has</span> <span word="puzzled">puzzled</span> <span word="astronomers">astronomers</span> <span word="more">more</span> <span word="than">than</span> <span word="a">a</span> <span word="decade">decade</span>. <span word="New">New</span> <span word="theory">theory</span> <span word="predicts">predicts</span> <span word="that">that</span> <span word="molecules">molecules</span> <span word="in">in</span> <span word="black">black</span> <span word="hole">hole</span> <span word="winds">winds</span> <span word="are">are</span> <span word="not">not</span> <span word="survivors">survivors</span> <span word="of">of</span> <span word="the">the</span> <span word="heat">heat</span> <span word="of">of</span> <span word="the">the</span> <span word="energetic">energetic</span> <span word="outflows">outflows</span> <span word="at">at</span> <span word="all">all</span>, <span word="but">but</span> <span word="brand">brand</span>-<span word="new">new</span> <span word="molecules">molecules</span>.</p><p><span word="Molecules">Molecules</span> <span word="trace">trace</span> <span word="the">the</span> <span word="coldest">coldest</span> <span word="parts">parts</span> <span word="of">of</span> <span word="space">space</span>, <span word="and">and</span> <span word="black">black</span> <span word="holes">holes</span> <span word="are">are</span> <span word="the">the</span> <span word="most">most</span> <span word="energetic">energetic</span> <span word="phenomena">phenomena</span> <span word="in">in</span> <span word="the">the</span> <span word="universe">universe</span>, <span word="so">so</span> <span word="finding">finding</span> <span word="molecules">molecules</span> <span word="in">in</span> <span word="black">black</span> <span word="hole">hole</span> <span word="winds">winds</span> <span word="was">was</span> <span word="like">like</span> <span word="discovering">discovering</span> <span word="ice">ice</span> <span word="in">in</span> <span word="a">a</span> <span word="furnace">furnace</span>.</p><p><span word="Researchers">Researchers</span> <span word="in">in</span> <span word="Northwestern">Northwestern</span> <span word="University">University</span>'<span word="s">s</span> <span word="Center">Center</span> <span word="for">for</span> <span word="Interdisciplinary">Interdisciplinary</span> <span word="Research">Research</span> <span word="and">and</span> <span word="Exploration">Exploration</span> <span word="in">in</span> <span word="Astrophysics">Astrophysics</span> (<span word="CIERA">CIERA</span>) <span word="predict">predict</span> <span word="that">that</span> <span word="these">these</span> <span word="molecules">molecules</span> <span word="are">are</span> <span word="born">born</span> <span word="in">in</span> <span word="the">the</span> <span word="winds">winds</span> <span word="with">with</span> <span word="unique">unique</span> <span word="properties">properties</span> <span word="that">that</span> <span word="enable">enable</span> <span word="them">them</span> <span word="to">to</span> <span word="adapt">adapt</span> <span word="to">to</span> <span word="and">and</span> <span word="thrive">thrive</span> <span word="in">in</span> <span word="the">the</span> <span word="hostile">hostile</span> <span word="environment">environment</span>.</p><p><span word="The">The</span> <span word="theory">theory</span>, <span word="published">published</span> <span word="in">in</span> <span word="the">the</span> <span word="current">current</span> <span word="issue">issue</span> <span word="of">of</span> <span word="Monthly">Monthly</span> <span word="Notices">Notices</span> <span word="of">of</span> <span word="the">the</span> <span word="Royal">Royal</span> <span word="Astronomical">Astronomical</span> <span word="Society">Society</span>, <span word="is">is</span> <span word="the">the</span> <span word="work">work</span> <span word="of">of</span> <span word="Lindheimer">Lindheimer</span> <span word="post">post</span>-<span word="doctoral">doctoral</span> <span word="fellow">fellow</span> <span word="Alexander">Alexander</span> <span word="Richings">Richings</span>, <span word="who">who</span> <span word="developed">developed</span> <span word="the">the</span> <span word="computer">computer</span> <span word="code">code</span> <span word="that">that</span>, <span word="for">for</span> <span word="the">the</span> <span word="first">first</span> <span word="time">time</span>, <span word="modeled">modeled</span> <span word="the">the</span> <span word="detailed">detailed</span> <span word="chemical">chemical</span> <span word="processes">processes</span> <span word="that">that</span> <span word="occur">occur</span> <span word="in">in</span> <span word="interstellar">interstellar</span> <span word="gas">gas</span> <span word="accelerated">accelerated</span> <span word="by">by</span> <span word="radiation">radiation</span> <span word="emitted">emitted</span> <span word="during">during</span> <span word="the">the</span> <span word="growth">growth</span> <span word="of">of</span> <span word="supermassive">supermassive</span> <span word="black">black</span> <span word="holes">holes</span>.</p><p>"<span word="When">When</span> <span word="a">a</span> <span word="black">black</span> <span word="hole">hole</span> <span word="wind">wind</span> <span word="sweeps">sweeps</span> <span word="up">up</span> <span word="gas">gas</span> <span word="from">from</span> <span word="its">its</span> <span word="host">host</span> <span word="galaxy">galaxy</span>, <span word="the">the</span> <span word="gas">gas</span> <span word="is">is</span> <span word="heated">heated</span> <span word="to">to</span> <span word="high">high</span> <span word="temperatures">temperatures</span>, <span word="which">which</span> <span word="destroy">destroy</span> <span word="any">any</span> <span word="existing">existing</span> <span word="molecules">molecules</span>," <span word="Richings">Richings</span> <span word="was">was</span> <span word="quoted">quoted</span> <span word="as">as</span> <span word="saying">saying</span> <span word="in">in</span> <span word="a">a</span> <span word="statement">statement</span>. "<span word="By">By</span> <span word="modeling">modeling</span> <span word="the">the</span> <span word="molecular">molecular</span> <span word="chemistry">chemistry</span> <span word="in">in</span> <span word="computer">computer</span> <span word="simulations">simulations</span> <span word="of">of</span> <span word="black">black</span> <span word="hole">hole</span> <span word="winds">winds</span>, <span word="we">we</span> <span word="found">found</span> <span word="that">that</span> <span word="this">this</span> <span word="swept">swept</span>-<span word="up">up</span> <span word="gas">gas</span> <span word="can">can</span> <span word="subsequently">subsequently</span> <span word="cool">cool</span> <span word="and">and</span> <span word="form">form</span> <span word="new">new</span> <span word="molecules">molecules</span>."</p>
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