ben-hananiah-yehoshua | space-encyclopedia

Space Travel

19, May, 2012

Space exploration began with the launch of Sputnik and Astrophysics was born as the application of physics to the phenomena observed by Astronomy, which etymologically means laws of the stars.

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Term	Definition
Ben Hananiah, Yehoshua	Jewish astronomer and scholar, who lived in the first century CE. He is believed to have made the first known mention of Halley’s comet. The Mishna, a codification of Jewish oral law written approximately 200 CE, tells of Ben Hananiah referring to a star that appears every 70 years and induces navigational errors. Hananiah perfected the Jewish lunar calendar so that it is closely in synch with the solar year.

Term

Definition

Ben Hananiah, Yehoshua

Jewish astronomer and scholar, who lived in the first century CE. He is believed to have made the first known mention of Halley’s comet. The Mishna, a codification of Jewish oral law written approximately 200 CE, tells of Ben Hananiah referring to a star that appears every 70 years and induces navigational errors. Hananiah perfected the Jewish lunar calendar so that it is closely in synch with the solar year.