This afternoon, as we drove through a heavy downpour, the sky suddenly cleared for a couple of minutes and the sun shone through. Suddenly, we saw a rainbow and recited the blessing one pronounces upon seeing that phenomenon.
When I got home, I googled "saying a brocha on a rainbow" and came across an interesting document titled "Halacha of the rainbow" which posed various questions and answers about the subject including:
Question:How is the rainbow connected with the coming of Moshiach?
Answer:Before the coming of Moshiach, a very special rainbow will appear. This rainbow will be so bright that all rainbows that have appeared on earth will seem very dim and weak in comparison.The bright strong colors of this rainbow are a sign that the Redemption is about to come. It is this rainbow, the Zohar tells us, that G-d was speaking about when He said to Noah (Gen. 9:16), "I will look at it to recall the eternal promise."(Zohar 1:72b as quoted in Discover Moshiach)
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