HowmanyplanetsintheUniverse?IwanttoknowhowmanyplanetsintheUniverse.
<p>问题：HowmanyplanetsintheUniverse?IwanttoknowhowmanyplanetsintheUniverse.<p>答案：↓↓↓<p class="nav-title mt10" style="border-top:1px solid #ccc;padding-top: 10px;">沈安东的回答：<div class="content-b">网友采纳 AccordingtooneoftherecentNewScientist'sreport,thereareatleast23planetsinoursolarsyatem..Becauseplanetscannotemitlight...itishardforthescientiststodetecttheirexistances...Thoseplanetsarenormallylocatedbetween1000AUto10,000AUwheresunlightishardlyreached...Howeverscientistshaventfoundouthowmanyplanetsareintheuniverse.Formyownguesswillbemorethenabillion.查看原帖>>
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