大约94607亿公里
迄今为止,应用在实践中的最快人造飞行器是“新视野号”探测器,其实际飞行速度大约为16公里/秒。2006年1月升空的,2015年7月才掠过冥王星,花了9年半时间才飞48亿公里。
如果按照这个速度来计算,理论上飞到特拉普1号星系需要大概75万年……
不过别灰心,美国宇航局做了一个特拉普1号星系的模拟视频,下面一起来看看了解一下这个酷似太阳系的行星系:
Three of the planets or exoplanets as scientist call them, are receiving just the right amount of energy from the host star, meaning oceans of water could cover their surfaces. Scientists refer to the ideal zone just around the star as "the habitable zone," sometimes jokingly called the "Goldilocks Zone," as it is just right for supporting life.
其中三颗行星 The other three bodies farther off from the star could feature smaller bodies of water and the seventh could even boast a puddle or two under ideal conditions.
另外三颗离恒星较远的行星表面覆盖的液态水可能较少,理想条件下第七颗行星甚至可能只有一两个水坑。
Based on their densities, all of the planets are believed to be rock, but scientists said they still need to study the atmospheres before determining whether or not the planets boast water and, ultimately, whether or not they could support any type of life form.
【NASA发现7颗超近类地行星 星际移民或有盼头了】相关文章:
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