They could compare it with images taken by Earth-based telescopes.

VOA: special.2009.09.30

So this is adam, an earthling, a thing that has been taken from the earth.

因此这是亚当，是地球人，是由泥土所造之物。

耶鲁公开课 - 旧约导论课程节选

So this is adam, an earthling, a thing that has been taken from the earth.

因此这是亚当，是地球人，是由泥土所造之物。

耶鲁公开课 - 旧约导论课程节选