About This Text
Author: Yom-Tov Lipmann Heller
Composed: c.1599 – c.1649 CE
A treatise by Rabbi Yom-Tov Lippman Heller (the “Tosafot Yom-Tov”) on the topic of the diminishing of the moon. It contains an extensive discussion of several difficult and seemingly conflicting rabbinic passages regarding astronomy, and at times offering a resolution based on the teachings of Kabbalah.