但现在，他说这种争论其实是没有实际意义的。因为最需要用行星的定义来进行甄别的，是那些我们根本没还没发现的，小得多的，太阳系外的星体。
But for now, he said, the issue is a moot point, because the definition of a planet was necessary mostly to sort out objects that are much smaller than anything we've seen outside our solar system.
针对系外行星系统的最新模拟可能意味着“可居住”行星的定义需彻底颠覆。
New simulations of extrasolar planetary systems may mean the definition of "habitable" planets needs to be completely overhauled.
这一定义将会大大地加长太阳系行星的名单。
Such a definition would greatly expand the list of planets in the solar system.
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