In 1609, Fabricius confirmed that Myra Cetaei was a periodic variable star, showing that, contrary to the prevailing Greek philosophy that the cosmos was unchanging, stars were not constant.

1609年， Fabricius确认Myra Cetaei是一颗周期性星，表明与当时流行的希腊哲学认为宇的点，星并是定的。

Metaphysics insisted on treating the universe as one thought or treating thought as one universe; and philosophers agreed, like a kinetic gas, that the universe could be known only as motion of mind, and therefore as unity.

形而上学坚持将宇视为一个思想或将思想视为一个宇； 哲学家们一致认为， 宇只能作为思维的运动而被认识， 因此是统一的。