I understand why we have a leap year; to keep the sun and moon cycles in sync, so that Pessach is always in the spring. That's all technical, as a result of the moon orbiting too slowly - or the sun ...
The Torah seems to have many examples where astrology is deemed real. (such as the astrology predictions that Moshe would be struck by water which made Paraoh throw the jewish males in the nile river. ...
According to this page, Chaza"l intentionally omitted solar and lunar eclipses from the list of natural phenomena upon which we make a bracha. The following explanation is given: "The Hebrew term ...