But settling the matter once and for all may require observations from both a new class of ground-based 30-metre telescopes and the orbiting James Webb Space telescope, due to launch in 2013.
不过，解决这个问题一劳永逸可能需要从一个地面30米的望远镜观测的新的阶级和詹姆斯·韦伯太空望远镜的轨道，由于在2013年发射。
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