The study or observation of objects or phenomena outside the Earth, including the Sun, Moon, planets, and stars.
The study or observation of objects or phenomena outside the Earth, including the Sun, moon, planets, and stars.
This includes the use of such observation in determining the Jewish calendar as well as the times of day (zemanim) under Jewish law. It also includes the use of such observation for the purpose of astrology.
Note that this tag is distinct from outer-space, which is for the application of Judaism in locations outside the Earth or to entities that come from outside the Earth.