The study or observation of objects or phenomena outside the Earth, including the Sun, Moon, planets, and stars.

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4
votes
1answer
370 views

Jewish Sunrise and Sunset

How can one calculate Jewish sunrise and sunset? I'm not necessarily asking for a formula. Just wondering if there's a difference between Halachik rise/set and what the world considers [e.g. science] ...
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votes
6answers
938 views

How to Resolve Kiddush Levana and Celestial Worship, (Avodas Kochavim)?

In general Kiddush Lavanah has always seemed to me to be akin to "Avodas Kochavim" - so does anyone know of a satisfying answer that works with Occam's razor? More specifically: We say Just as I can ...