Lifemayhaveevolvedonatleastthreeplanetswithinanewlydisc...
问题详情:Lifemayhaveevolvedonatleastthreeplanetswithinanewlydiscoveredsolarsystem39lightyearsfromEarth.AstronomersattheNASAhavediscoverednolessthansevenroughlyEarth-sizedworldsorbitingadwarfstarinthesy...