בראשית ברא אלקים את השמים ואת הארץ
Rashi comments, “All the potentials of heaven and earth were created on Day One, but Hashem commanded each to actualize on a designated day. The heavens had been created on the first day, but they were still in a state of flux. On the second day, when Hashem said, ‘Let there be a rakia, firmament,’ the heavens solidified, thereby creating a separation between the waters above (clouds) and the waters below.” We wonder why there had to be a process whereby the heavens required a day to congeal. Also, Hashem created light on the first day, but He did not…