Eugene Volokh notes a story in the National Post that the first Israeli — and the first Jew who wants to practice his faith in space — will take off on a Space Shuttle Columbia mission in July. First problem solved: NASA will provide kosher meals. Second problem a bit more difficult: Jews must observe the Sabbath every seven days, but Columbia will orbit the earth every ninety minutes. Does he observe the Sabbath every 10.5 hours, or… ?