Take the 2-minute tour ×  Why is aleinu said twice: once at the
end of Maariv, and then again at the end of Kiddush Levanah?
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judaism.stackexchange.com/a/136/603 –  Menachem Jun 24 '12 at
22:58  1 Answer 1  up vote 3 down vote accepted  First Because
we say:  שֶׁהֵם מִשְׁתַּחֲוִים לְהֶבֶל וָרִיק וּמִתְפַּלְּלִים
אֶל אֵל לֹא יושיע    • That is we are illustrating the Idol
worshipers pray to heavenly bodies but we do not. (Likutie
Maharich,Chelek Beis,Daf Kuf)   • Aleinu, was written by
Yeshouah Ben Nun he was compared to moon. That is the Gemara in
Baba Basra (75a) says:  The face of Moshe was Like the
sun,Yeshouah was like the Moon.  Therfore the comparison compels
us to say Aleinu at Kiddush Levanah.  Source:Rite and reason:
1050 Jewish customs and their sources  share|improve this answer
Not facing the moon is not lidivrei hakol. The Kneses Hagedolah
bringd down to look at the moon while saying the bracha. this
indicates that he has no problem with being turned towards i